Home / 119,231.20-164,553.36-71,510.80

Finding the Fourth Proportional to 119,231.20, 164,553.36 and 71,510.80

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Solution

The fourth proportional to 119,231.20, 164,553.36 and 71,510.80 is: 98,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231.20 : 164,553.36 = 71,510.80 : x
  2. Step 2: Convert to fraction form
    119,231.20/164,553.36 = 71,510.80/x
  3. Step 3: Cross multiply
    119,231.20x = 164,553.36 × 71,510.80
  4. Step 4: Simplify right side
    119,231.20x = 11,767,342,416.29
  5. Step 5: Solve for x
    x = 11,767,342,416.29/119,231.20
  6. Step 6: Final answer
    x = 98,693.48

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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.