Home / 132,159.44-182,381.34-71,730.62

Finding the Fourth Proportional to 132,159.44, 182,381.34 and 71,730.62

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Solution

The fourth proportional to 132,159.44, 182,381.34 and 71,730.62 is: 98,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,159.44 : 182,381.34 = 71,730.62 : x
  2. Step 2: Convert to fraction form
    132,159.44/182,381.34 = 71,730.62/x
  3. Step 3: Cross multiply
    132,159.44x = 182,381.34 × 71,730.62
  4. Step 4: Simplify right side
    132,159.44x = 13,082,326,594.63
  5. Step 5: Solve for x
    x = 13,082,326,594.63/132,159.44
  6. Step 6: Final answer
    x = 98,988.97

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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.