Home / 391,010.11-586,525.43-124,770.35

Finding the Fourth Proportional to 391,010.11, 586,525.43 and 124,770.35

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Solution

The fourth proportional to 391,010.11, 586,525.43 and 124,770.35 is: 187,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,010.11 : 586,525.43 = 124,770.35 : x
  2. Step 2: Convert to fraction form
    391,010.11/586,525.43 = 124,770.35/x
  3. Step 3: Cross multiply
    391,010.11x = 586,525.43 × 124,770.35
  4. Step 4: Simplify right side
    391,010.11x = 73,180,984,963.24
  5. Step 5: Solve for x
    x = 73,180,984,963.24/391,010.11
  6. Step 6: Final answer
    x = 187,158.81

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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.