Home / 108,765.24-163,207.28-42,207.96

Finding the Fourth Proportional to 108,765.24, 163,207.28 and 42,207.96

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Solution

The fourth proportional to 108,765.24, 163,207.28 and 42,207.96 is: 63,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,765.24 : 163,207.28 = 42,207.96 : x
  2. Step 2: Convert to fraction form
    108,765.24/163,207.28 = 42,207.96/x
  3. Step 3: Cross multiply
    108,765.24x = 163,207.28 × 42,207.96
  4. Step 4: Simplify right side
    108,765.24x = 6,888,646,345.95
  5. Step 5: Solve for x
    x = 6,888,646,345.95/108,765.24
  6. Step 6: Final answer
    x = 63,335.00

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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.