Home / 161,549.12-242,309.76-98,352.88

Finding the Fourth Proportional to 161,549.12, 242,309.76 and 98,352.88

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Solution

The fourth proportional to 161,549.12, 242,309.76 and 98,352.88 is: 147,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,549.12 : 242,309.76 = 98,352.88 : x
  2. Step 2: Convert to fraction form
    161,549.12/242,309.76 = 98,352.88/x
  3. Step 3: Cross multiply
    161,549.12x = 242,309.76 × 98,352.88
  4. Step 4: Simplify right side
    161,549.12x = 23,831,862,748.11
  5. Step 5: Solve for x
    x = 23,831,862,748.11/161,549.12
  6. Step 6: Final answer
    x = 147,520.85

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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.