Home / 383,715.10-575,244.42-147,227.50

Finding the Fourth Proportional to 383,715.10, 575,244.42 and 147,227.50

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Solution

The fourth proportional to 383,715.10, 575,244.42 and 147,227.50 is: 220,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,715.10 : 575,244.42 = 147,227.50 : x
  2. Step 2: Convert to fraction form
    383,715.10/575,244.42 = 147,227.50/x
  3. Step 3: Cross multiply
    383,715.10x = 575,244.42 × 147,227.50
  4. Step 4: Simplify right side
    383,715.10x = 84,691,797,845.55
  5. Step 5: Solve for x
    x = 84,691,797,845.55/383,715.10
  6. Step 6: Final answer
    x = 220,715.31

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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.