Home / 157,538.24-217,365.40-89,549.88

Finding the Fourth Proportional to 157,538.24, 217,365.40 and 89,549.88

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Solution

The fourth proportional to 157,538.24, 217,365.40 and 89,549.88 is: 123,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,538.24 : 217,365.40 = 89,549.88 : x
  2. Step 2: Convert to fraction form
    157,538.24/217,365.40 = 89,549.88/x
  3. Step 3: Cross multiply
    157,538.24x = 217,365.40 × 89,549.88
  4. Step 4: Simplify right side
    157,538.24x = 19,465,045,142.45
  5. Step 5: Solve for x
    x = 19,465,045,142.45/157,538.24
  6. Step 6: Final answer
    x = 123,557.59

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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.