Home / 119,057.12-164,304.78-65,341.66

Finding the Fourth Proportional to 119,057.12, 164,304.78 and 65,341.66

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Solution

The fourth proportional to 119,057.12, 164,304.78 and 65,341.66 is: 90,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,057.12 : 164,304.78 = 65,341.66 : x
  2. Step 2: Convert to fraction form
    119,057.12/164,304.78 = 65,341.66/x
  3. Step 3: Cross multiply
    119,057.12x = 164,304.78 × 65,341.66
  4. Step 4: Simplify right side
    119,057.12x = 10,735,947,071.13
  5. Step 5: Solve for x
    x = 10,735,947,071.13/119,057.12
  6. Step 6: Final answer
    x = 90,174.76

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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.