Home / 132,029.32-182,225.70-103,291.72

Finding the Fourth Proportional to 132,029.32, 182,225.70 and 103,291.72

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Solution

The fourth proportional to 132,029.32, 182,225.70 and 103,291.72 is: 142,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029.32 : 182,225.70 = 103,291.72 : x
  2. Step 2: Convert to fraction form
    132,029.32/182,225.70 = 103,291.72/x
  3. Step 3: Cross multiply
    132,029.32x = 182,225.70 × 103,291.72
  4. Step 4: Simplify right side
    132,029.32x = 18,822,405,981.20
  5. Step 5: Solve for x
    x = 18,822,405,981.20/132,029.32
  6. Step 6: Final answer
    x = 142,562.32

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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.