Home / 119,575.43-165,010.70-65,126.37

Finding the Fourth Proportional to 119,575.43, 165,010.70 and 65,126.37

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Solution

The fourth proportional to 119,575.43, 165,010.70 and 65,126.37 is: 89,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,575.43 : 165,010.70 = 65,126.37 : x
  2. Step 2: Convert to fraction form
    119,575.43/165,010.70 = 65,126.37/x
  3. Step 3: Cross multiply
    119,575.43x = 165,010.70 × 65,126.37
  4. Step 4: Simplify right side
    119,575.43x = 10,746,547,576.53
  5. Step 5: Solve for x
    x = 10,746,547,576.53/119,575.43
  6. Step 6: Final answer
    x = 89,872.54

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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.