Home / 157,538.92-217,395.06-89,546.44

Finding the Fourth Proportional to 157,538.92, 217,395.06 and 89,546.44

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Solution

The fourth proportional to 157,538.92, 217,395.06 and 89,546.44 is: 123,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,538.92 : 217,395.06 = 89,546.44 : x
  2. Step 2: Convert to fraction form
    157,538.92/217,395.06 = 89,546.44/x
  3. Step 3: Cross multiply
    157,538.92x = 217,395.06 × 89,546.44
  4. Step 4: Simplify right side
    157,538.92x = 19,466,953,696.59
  5. Step 5: Solve for x
    x = 19,466,953,696.59/157,538.92
  6. Step 6: Final answer
    x = 123,569.17

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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.