Home / 132,039.30-182,175.84-86,112.30

Finding the Fourth Proportional to 132,039.30, 182,175.84 and 86,112.30

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Solution

The fourth proportional to 132,039.30, 182,175.84 and 86,112.30 is: 118,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,039.30 : 182,175.84 = 86,112.30 : x
  2. Step 2: Convert to fraction form
    132,039.30/182,175.84 = 86,112.30/x
  3. Step 3: Cross multiply
    132,039.30x = 182,175.84 × 86,112.30
  4. Step 4: Simplify right side
    132,039.30x = 15,687,580,586.83
  5. Step 5: Solve for x
    x = 15,687,580,586.83/132,039.30
  6. Step 6: Final answer
    x = 118,809.93

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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.