Home / 123,332.79-170,199.78-66,744.17

Finding the Fourth Proportional to 123,332.79, 170,199.78 and 66,744.17

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Solution

The fourth proportional to 123,332.79, 170,199.78 and 66,744.17 is: 92,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.79 : 170,199.78 = 66,744.17 : x
  2. Step 2: Convert to fraction form
    123,332.79/170,199.78 = 66,744.17/x
  3. Step 3: Cross multiply
    123,332.79x = 170,199.78 × 66,744.17
  4. Step 4: Simplify right side
    123,332.79x = 11,359,842,199.28
  5. Step 5: Solve for x
    x = 11,359,842,199.28/123,332.79
  6. Step 6: Final answer
    x = 92,107.23

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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.