Home / 261,693.83-391,942.96-156,296.63

Finding the Fourth Proportional to 261,693.83, 391,942.96 and 156,296.63

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Solution

The fourth proportional to 261,693.83, 391,942.96 and 156,296.63 is: 234,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,693.83 : 391,942.96 = 156,296.63 : x
  2. Step 2: Convert to fraction form
    261,693.83/391,942.96 = 156,296.63/x
  3. Step 3: Cross multiply
    261,693.83x = 391,942.96 × 156,296.63
  4. Step 4: Simplify right side
    261,693.83x = 61,259,363,800.22
  5. Step 5: Solve for x
    x = 61,259,363,800.22/261,693.83
  6. Step 6: Final answer
    x = 234,087.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.