Home / 127,637.20-191,528.70-88,222.60

Finding the Fourth Proportional to 127,637.20, 191,528.70 and 88,222.60

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Solution

The fourth proportional to 127,637.20, 191,528.70 and 88,222.60 is: 132,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,637.20 : 191,528.70 = 88,222.60 : x
  2. Step 2: Convert to fraction form
    127,637.20/191,528.70 = 88,222.60/x
  3. Step 3: Cross multiply
    127,637.20x = 191,528.70 × 88,222.60
  4. Step 4: Simplify right side
    127,637.20x = 16,897,159,888.62
  5. Step 5: Solve for x
    x = 16,897,159,888.62/127,637.20
  6. Step 6: Final answer
    x = 132,384.29

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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.