Home / 127,675.20-191,397.60-83,323.20

Finding the Fourth Proportional to 127,675.20, 191,397.60 and 83,323.20

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Solution

The fourth proportional to 127,675.20, 191,397.60 and 83,323.20 is: 124,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,675.20 : 191,397.60 = 83,323.20 : x
  2. Step 2: Convert to fraction form
    127,675.20/191,397.60 = 83,323.20/x
  3. Step 3: Cross multiply
    127,675.20x = 191,397.60 × 83,323.20
  4. Step 4: Simplify right side
    127,675.20x = 15,947,860,504.32
  5. Step 5: Solve for x
    x = 15,947,860,504.32/127,675.20
  6. Step 6: Final answer
    x = 124,909.62

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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.