Home / 119,614.97-164,876.24-80,840.66

Finding the Fourth Proportional to 119,614.97, 164,876.24 and 80,840.66

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Solution

The fourth proportional to 119,614.97, 164,876.24 and 80,840.66 is: 111,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,614.97 : 164,876.24 = 80,840.66 : x
  2. Step 2: Convert to fraction form
    119,614.97/164,876.24 = 80,840.66/x
  3. Step 3: Cross multiply
    119,614.97x = 164,876.24 × 80,840.66
  4. Step 4: Simplify right side
    119,614.97x = 13,328,703,437.64
  5. Step 5: Solve for x
    x = 13,328,703,437.64/119,614.97
  6. Step 6: Final answer
    x = 111,430.06

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1.5x scale

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.