Home / 157,548.24-217,414.53-85,926.72

Finding the Fourth Proportional to 157,548.24, 217,414.53 and 85,926.72

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Solution

The fourth proportional to 157,548.24, 217,414.53 and 85,926.72 is: 118,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,548.24 : 217,414.53 = 85,926.72 : x
  2. Step 2: Convert to fraction form
    157,548.24/217,414.53 = 85,926.72/x
  3. Step 3: Cross multiply
    157,548.24x = 217,414.53 × 85,926.72
  4. Step 4: Simplify right side
    157,548.24x = 18,681,718,258.55
  5. Step 5: Solve for x
    x = 18,681,718,258.55/157,548.24
  6. Step 6: Final answer
    x = 118,577.77

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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.