Home / 123,332.98-170,199.65-66,744.36

Finding the Fourth Proportional to 123,332.98, 170,199.65 and 66,744.36

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Solution

The fourth proportional to 123,332.98, 170,199.65 and 66,744.36 is: 92,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.98 : 170,199.65 = 66,744.36 : x
  2. Step 2: Convert to fraction form
    123,332.98/170,199.65 = 66,744.36/x
  3. Step 3: Cross multiply
    123,332.98x = 170,199.65 × 66,744.36
  4. Step 4: Simplify right side
    123,332.98x = 11,359,866,711.47
  5. Step 5: Solve for x
    x = 11,359,866,711.47/123,332.98
  6. Step 6: Final answer
    x = 92,107.29

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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.