Home / 131,752.17-181,816.92-71,321.58

Finding the Fourth Proportional to 131,752.17, 181,816.92 and 71,321.58

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Solution

The fourth proportional to 131,752.17, 181,816.92 and 71,321.58 is: 98,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,752.17 : 181,816.92 = 71,321.58 : x
  2. Step 2: Convert to fraction form
    131,752.17/181,816.92 = 71,321.58/x
  3. Step 3: Cross multiply
    131,752.17x = 181,816.92 × 71,321.58
  4. Step 4: Simplify right side
    131,752.17x = 12,967,470,005.13
  5. Step 5: Solve for x
    x = 12,967,470,005.13/131,752.17
  6. Step 6: Final answer
    x = 98,423.20

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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.