Home / 108,248.32-161,964.16-63,899.20

Finding the Fourth Proportional to 108,248.32, 161,964.16 and 63,899.20

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Solution

The fourth proportional to 108,248.32, 161,964.16 and 63,899.20 is: 95,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,248.32 : 161,964.16 = 63,899.20 : x
  2. Step 2: Convert to fraction form
    108,248.32/161,964.16 = 63,899.20/x
  3. Step 3: Cross multiply
    108,248.32x = 161,964.16 × 63,899.20
  4. Step 4: Simplify right side
    108,248.32x = 10,349,380,252.67
  5. Step 5: Solve for x
    x = 10,349,380,252.67/108,248.32
  6. Step 6: Final answer
    x = 95,607.77

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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.