Home / 283,832.59-391,668.94-156,505.45

Finding the Fourth Proportional to 283,832.59, 391,668.94 and 156,505.45

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Solution

The fourth proportional to 283,832.59, 391,668.94 and 156,505.45 is: 215,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,832.59 : 391,668.94 = 156,505.45 : x
  2. Step 2: Convert to fraction form
    283,832.59/391,668.94 = 156,505.45/x
  3. Step 3: Cross multiply
    283,832.59x = 391,668.94 × 156,505.45
  4. Step 4: Simplify right side
    283,832.59x = 61,298,323,705.72
  5. Step 5: Solve for x
    x = 61,298,323,705.72/283,832.59
  6. Step 6: Final answer
    x = 215,966.47

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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.