Home / 261,006.10-391,567.38-83,523.76

Finding the Fourth Proportional to 261,006.10, 391,567.38 and 83,523.76

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Solution

The fourth proportional to 261,006.10, 391,567.38 and 83,523.76 is: 125,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,006.10 : 391,567.38 = 83,523.76 : x
  2. Step 2: Convert to fraction form
    261,006.10/391,567.38 = 83,523.76/x
  3. Step 3: Cross multiply
    261,006.10x = 391,567.38 × 83,523.76
  4. Step 4: Simplify right side
    261,006.10x = 32,705,179,870.95
  5. Step 5: Solve for x
    x = 32,705,179,870.95/261,006.10
  6. Step 6: Final answer
    x = 125,304.27

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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.