Home / 127,808,200.80-191,712,301.20-106,267,125.60

Finding the Fourth Proportional to 127,808,200.80, 191,712,301.20 and 106,267,125.60

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Solution

The fourth proportional to 127,808,200.80, 191,712,301.20 and 106,267,125.60 is: 159,400,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,808,200.80 : 191,712,301.20 = 106,267,125.60 : x
  2. Step 2: Convert to fraction form
    127,808,200.80/191,712,301.20 = 106,267,125.60/x
  3. Step 3: Cross multiply
    127,808,200.80x = 191,712,301.20 × 106,267,125.60
  4. Step 4: Simplify right side
    127,808,200.80x = 20,372,715,190,685,428
  5. Step 5: Solve for x
    x = 20,372,715,190,685,428/127,808,200.80
  6. Step 6: Final answer
    x = 159,400,688.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.