Home / 157,610.24-217,500.06-85,988.72

Finding the Fourth Proportional to 157,610.24, 217,500.06 and 85,988.72

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Solution

The fourth proportional to 157,610.24, 217,500.06 and 85,988.72 is: 118,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,610.24 : 217,500.06 = 85,988.72 : x
  2. Step 2: Convert to fraction form
    157,610.24/217,500.06 = 85,988.72/x
  3. Step 3: Cross multiply
    157,610.24x = 217,500.06 × 85,988.72
  4. Step 4: Simplify right side
    157,610.24x = 18,702,551,759.32
  5. Step 5: Solve for x
    x = 18,702,551,759.32/157,610.24
  6. Step 6: Final answer
    x = 118,663.30

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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.