Home / 132,399.96-182,707.92-75,807.60

Finding the Fourth Proportional to 132,399.96, 182,707.92 and 75,807.60

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Solution

The fourth proportional to 132,399.96, 182,707.92 and 75,807.60 is: 104,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,399.96 : 182,707.92 = 75,807.60 : x
  2. Step 2: Convert to fraction form
    132,399.96/182,707.92 = 75,807.60/x
  3. Step 3: Cross multiply
    132,399.96x = 182,707.92 × 75,807.60
  4. Step 4: Simplify right side
    132,399.96x = 13,850,648,916.19
  5. Step 5: Solve for x
    x = 13,850,648,916.19/132,399.96
  6. Step 6: Final answer
    x = 104,612.18

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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.