Home / 119,590.26-165,042.08-65,875.24

Finding the Fourth Proportional to 119,590.26, 165,042.08 and 65,875.24

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Solution

The fourth proportional to 119,590.26, 165,042.08 and 65,875.24 is: 90,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,590.26 : 165,042.08 = 65,875.24 : x
  2. Step 2: Convert to fraction form
    119,590.26/165,042.08 = 65,875.24/x
  3. Step 3: Cross multiply
    119,590.26x = 165,042.08 × 65,875.24
  4. Step 4: Simplify right side
    119,590.26x = 10,872,186,630.10
  5. Step 5: Solve for x
    x = 10,872,186,630.10/119,590.26
  6. Step 6: Final answer
    x = 90,911.97

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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.