Home / 283,832.34-391,668.60-156,505.20

Finding the Fourth Proportional to 283,832.34, 391,668.60 and 156,505.20

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Solution

The fourth proportional to 283,832.34, 391,668.60 and 156,505.20 is: 215,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,832.34 : 391,668.60 = 156,505.20 : x
  2. Step 2: Convert to fraction form
    283,832.34/391,668.60 = 156,505.20/x
  3. Step 3: Cross multiply
    283,832.34x = 391,668.60 × 156,505.20
  4. Step 4: Simplify right side
    283,832.34x = 61,298,172,576.72
  5. Step 5: Solve for x
    x = 61,298,172,576.72/283,832.34
  6. Step 6: Final answer
    x = 215,966.13

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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.