Home / 119,114.19-164,377.91-65,402.69

Finding the Fourth Proportional to 119,114.19, 164,377.91 and 65,402.69

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Solution

The fourth proportional to 119,114.19, 164,377.91 and 65,402.69 is: 90,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,114.19 : 164,377.91 = 65,402.69 : x
  2. Step 2: Convert to fraction form
    119,114.19/164,377.91 = 65,402.69/x
  3. Step 3: Cross multiply
    119,114.19x = 164,377.91 × 65,402.69
  4. Step 4: Simplify right side
    119,114.19x = 10,750,757,490.58
  5. Step 5: Solve for x
    x = 10,750,757,490.58/119,114.19
  6. Step 6: Final answer
    x = 90,255.89

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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.