Home / 132,042.61-182,297.75-86,796.35

Finding the Fourth Proportional to 132,042.61, 182,297.75 and 86,796.35

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Solution

The fourth proportional to 132,042.61, 182,297.75 and 86,796.35 is: 119,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,042.61 : 182,297.75 = 86,796.35 : x
  2. Step 2: Convert to fraction form
    132,042.61/182,297.75 = 86,796.35/x
  3. Step 3: Cross multiply
    132,042.61x = 182,297.75 × 86,796.35
  4. Step 4: Simplify right side
    132,042.61x = 15,822,779,313.21
  5. Step 5: Solve for x
    x = 15,822,779,313.21/132,042.61
  6. Step 6: Final answer
    x = 119,830.86

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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.