Home / 119,045.75-164,277.97-65,331.66

Finding the Fourth Proportional to 119,045.75, 164,277.97 and 65,331.66

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Solution

The fourth proportional to 119,045.75, 164,277.97 and 65,331.66 is: 90,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,045.75 : 164,277.97 = 65,331.66 : x
  2. Step 2: Convert to fraction form
    119,045.75/164,277.97 = 65,331.66/x
  3. Step 3: Cross multiply
    119,045.75x = 164,277.97 × 65,331.66
  4. Step 4: Simplify right side
    119,045.75x = 10,732,552,154.87
  5. Step 5: Solve for x
    x = 10,732,552,154.87/119,045.75
  6. Step 6: Final answer
    x = 90,154.85

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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.