Home / 98,196.92-147,158.11-53,120.98

Finding the Fourth Proportional to 98,196.92, 147,158.11 and 53,120.98

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Solution

The fourth proportional to 98,196.92, 147,158.11 and 53,120.98 is: 79,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,196.92 : 147,158.11 = 53,120.98 : x
  2. Step 2: Convert to fraction form
    98,196.92/147,158.11 = 53,120.98/x
  3. Step 3: Cross multiply
    98,196.92x = 147,158.11 × 53,120.98
  4. Step 4: Simplify right side
    98,196.92x = 7,817,182,517.45
  5. Step 5: Solve for x
    x = 7,817,182,517.45/98,196.92
  6. Step 6: Final answer
    x = 79,607.20

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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.