Home / 132,041.44-182,240.48-78,356.06

Finding the Fourth Proportional to 132,041.44, 182,240.48 and 78,356.06

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Solution

The fourth proportional to 132,041.44, 182,240.48 and 78,356.06 is: 108,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,041.44 : 182,240.48 = 78,356.06 : x
  2. Step 2: Convert to fraction form
    132,041.44/182,240.48 = 78,356.06/x
  3. Step 3: Cross multiply
    132,041.44x = 182,240.48 × 78,356.06
  4. Step 4: Simplify right side
    132,041.44x = 14,279,645,985.31
  5. Step 5: Solve for x
    x = 14,279,645,985.31/132,041.44
  6. Step 6: Final answer
    x = 108,145.19

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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.