Home / 157,613.62-217,507.50-85,995.14

Finding the Fourth Proportional to 157,613.62, 217,507.50 and 85,995.14

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Solution

The fourth proportional to 157,613.62, 217,507.50 and 85,995.14 is: 118,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,613.62 : 217,507.50 = 85,995.14 : x
  2. Step 2: Convert to fraction form
    157,613.62/217,507.50 = 85,995.14/x
  3. Step 3: Cross multiply
    157,613.62x = 217,507.50 × 85,995.14
  4. Step 4: Simplify right side
    157,613.62x = 18,704,587,913.55
  5. Step 5: Solve for x
    x = 18,704,587,913.55/157,613.62
  6. Step 6: Final answer
    x = 118,673.68

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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.