Home / 257,613.48-355,439.34-148,691.16

Finding the Fourth Proportional to 257,613.48, 355,439.34 and 148,691.16

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Solution

The fourth proportional to 257,613.48, 355,439.34 and 148,691.16 is: 205,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,613.48 : 355,439.34 = 148,691.16 : x
  2. Step 2: Convert to fraction form
    257,613.48/355,439.34 = 148,691.16/x
  3. Step 3: Cross multiply
    257,613.48x = 355,439.34 × 148,691.16
  4. Step 4: Simplify right side
    257,613.48x = 52,850,687,774.23
  5. Step 5: Solve for x
    x = 52,850,687,774.23/257,613.48
  6. Step 6: Final answer
    x = 205,154.98

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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.