Home / 108,261.76-149,265.28-82,799.36

Finding the Fourth Proportional to 108,261.76, 149,265.28 and 82,799.36

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Solution

The fourth proportional to 108,261.76, 149,265.28 and 82,799.36 is: 114,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,261.76 : 149,265.28 = 82,799.36 : x
  2. Step 2: Convert to fraction form
    108,261.76/149,265.28 = 82,799.36/x
  3. Step 3: Cross multiply
    108,261.76x = 149,265.28 × 82,799.36
  4. Step 4: Simplify right side
    108,261.76x = 12,359,069,654.22
  5. Step 5: Solve for x
    x = 12,359,069,654.22/108,261.76
  6. Step 6: Final answer
    x = 114,159.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.