Home / 157,517.02-217,414.83-89,573.68

Finding the Fourth Proportional to 157,517.02, 217,414.83 and 89,573.68

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Solution

The fourth proportional to 157,517.02, 217,414.83 and 89,573.68 is: 123,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517.02 : 217,414.83 = 89,573.68 : x
  2. Step 2: Convert to fraction form
    157,517.02/217,414.83 = 89,573.68/x
  3. Step 3: Cross multiply
    157,517.02x = 217,414.83 × 89,573.68
  4. Step 4: Simplify right side
    157,517.02x = 19,474,646,409.67
  5. Step 5: Solve for x
    x = 19,474,646,409.67/157,517.02
  6. Step 6: Final answer
    x = 123,635.19

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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.