Home / 132,446.93-182,829.71-81,480.32

Finding the Fourth Proportional to 132,446.93, 182,829.71 and 81,480.32

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Solution

The fourth proportional to 132,446.93, 182,829.71 and 81,480.32 is: 112,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,446.93 : 182,829.71 = 81,480.32 : x
  2. Step 2: Convert to fraction form
    132,446.93/182,829.71 = 81,480.32/x
  3. Step 3: Cross multiply
    132,446.93x = 182,829.71 × 81,480.32
  4. Step 4: Simplify right side
    132,446.93x = 14,897,023,276.31
  5. Step 5: Solve for x
    x = 14,897,023,276.31/132,446.93
  6. Step 6: Final answer
    x = 112,475.41

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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.