Home / 157,179.54-216,901.29-89,195.13

Finding the Fourth Proportional to 157,179.54, 216,901.29 and 89,195.13

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Solution

The fourth proportional to 157,179.54, 216,901.29 and 89,195.13 is: 123,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,179.54 : 216,901.29 = 89,195.13 : x
  2. Step 2: Convert to fraction form
    157,179.54/216,901.29 = 89,195.13/x
  3. Step 3: Cross multiply
    157,179.54x = 216,901.29 × 89,195.13
  4. Step 4: Simplify right side
    157,179.54x = 19,346,538,758.72
  5. Step 5: Solve for x
    x = 19,346,538,758.72/157,179.54
  6. Step 6: Final answer
    x = 123,085.60

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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.