Home / 132,268.34-182,508.98-81,264.66

Finding the Fourth Proportional to 132,268.34, 182,508.98 and 81,264.66

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Solution

The fourth proportional to 132,268.34, 182,508.98 and 81,264.66 is: 112,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,268.34 : 182,508.98 = 81,264.66 : x
  2. Step 2: Convert to fraction form
    132,268.34/182,508.98 = 81,264.66/x
  3. Step 3: Cross multiply
    132,268.34x = 182,508.98 × 81,264.66
  4. Step 4: Simplify right side
    132,268.34x = 14,831,529,800.32
  5. Step 5: Solve for x
    x = 14,831,529,800.32/132,268.34
  6. Step 6: Final answer
    x = 112,132.13

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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.