Home / 131,824.29-181,930.59-75,244.17

Finding the Fourth Proportional to 131,824.29, 181,930.59 and 75,244.17

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Solution

The fourth proportional to 131,824.29, 181,930.59 and 75,244.17 is: 103,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,824.29 : 181,930.59 = 75,244.17 : x
  2. Step 2: Convert to fraction form
    131,824.29/181,930.59 = 75,244.17/x
  3. Step 3: Cross multiply
    131,824.29x = 181,930.59 × 75,244.17
  4. Step 4: Simplify right side
    131,824.29x = 13,689,216,242.16
  5. Step 5: Solve for x
    x = 13,689,216,242.16/131,824.29
  6. Step 6: Final answer
    x = 103,844.41

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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.