Home / 108,502.20-162,753.30-98,825.40

Finding the Fourth Proportional to 108,502.20, 162,753.30 and 98,825.40

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Solution

The fourth proportional to 108,502.20, 162,753.30 and 98,825.40 is: 148,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,502.20 : 162,753.30 = 98,825.40 : x
  2. Step 2: Convert to fraction form
    108,502.20/162,753.30 = 98,825.40/x
  3. Step 3: Cross multiply
    108,502.20x = 162,753.30 × 98,825.40
  4. Step 4: Simplify right side
    108,502.20x = 16,084,159,973.82
  5. Step 5: Solve for x
    x = 16,084,159,973.82/108,502.20
  6. Step 6: Final answer
    x = 148,238.10

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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.