Home / 132,308.48-182,585.94-71,878.62

Finding the Fourth Proportional to 132,308.48, 182,585.94 and 71,878.62

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Solution

The fourth proportional to 132,308.48, 182,585.94 and 71,878.62 is: 99,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.48 : 182,585.94 = 71,878.62 : x
  2. Step 2: Convert to fraction form
    132,308.48/182,585.94 = 71,878.62/x
  3. Step 3: Cross multiply
    132,308.48x = 182,585.94 × 71,878.62
  4. Step 4: Simplify right side
    132,308.48x = 13,124,025,398.60
  5. Step 5: Solve for x
    x = 13,124,025,398.60/132,308.48
  6. Step 6: Final answer
    x = 99,192.62

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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.