Home / 132,563.70-182,877.46-78,818.17

Finding the Fourth Proportional to 132,563.70, 182,877.46 and 78,818.17

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Solution

The fourth proportional to 132,563.70, 182,877.46 and 78,818.17 is: 108,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,563.70 : 182,877.46 = 78,818.17 : x
  2. Step 2: Convert to fraction form
    132,563.70/182,877.46 = 78,818.17/x
  3. Step 3: Cross multiply
    132,563.70x = 182,877.46 × 78,818.17
  4. Step 4: Simplify right side
    132,563.70x = 14,414,066,731.45
  5. Step 5: Solve for x
    x = 14,414,066,731.45/132,563.70
  6. Step 6: Final answer
    x = 108,733.14

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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.