Home / 98,230.24-147,213.60-56,123.20

Finding the Fourth Proportional to 98,230.24, 147,213.60 and 56,123.20

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Solution

The fourth proportional to 98,230.24, 147,213.60 and 56,123.20 is: 84,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,230.24 : 147,213.60 = 56,123.20 : x
  2. Step 2: Convert to fraction form
    98,230.24/147,213.60 = 56,123.20/x
  3. Step 3: Cross multiply
    98,230.24x = 147,213.60 × 56,123.20
  4. Step 4: Simplify right side
    98,230.24x = 8,262,098,315.52
  5. Step 5: Solve for x
    x = 8,262,098,315.52/98,230.24
  6. Step 6: Final answer
    x = 84,109.52

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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.