Home / 124,209.28-171,403.14-67,620.52

Finding the Fourth Proportional to 124,209.28, 171,403.14 and 67,620.52

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Solution

The fourth proportional to 124,209.28, 171,403.14 and 67,620.52 is: 93,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,209.28 : 171,403.14 = 67,620.52 : x
  2. Step 2: Convert to fraction form
    124,209.28/171,403.14 = 67,620.52/x
  3. Step 3: Cross multiply
    124,209.28x = 171,403.14 × 67,620.52
  4. Step 4: Simplify right side
    124,209.28x = 11,590,369,456.43
  5. Step 5: Solve for x
    x = 11,590,369,456.43/124,209.28
  6. Step 6: Final answer
    x = 93,313.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.