Home / 283,965.50-391,842.13-156,641.10

Finding the Fourth Proportional to 283,965.50, 391,842.13 and 156,641.10

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Solution

The fourth proportional to 283,965.50, 391,842.13 and 156,641.10 is: 216,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,965.50 : 391,842.13 = 156,641.10 : x
  2. Step 2: Convert to fraction form
    283,965.50/391,842.13 = 156,641.10/x
  3. Step 3: Cross multiply
    283,965.50x = 391,842.13 × 156,641.10
  4. Step 4: Simplify right side
    283,965.50x = 61,378,582,269.54
  5. Step 5: Solve for x
    x = 61,378,582,269.54/283,965.50
  6. Step 6: Final answer
    x = 216,148.03

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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.