Home / 220,156.17-303,815.70-124,663.02

Finding the Fourth Proportional to 220,156.17, 303,815.70 and 124,663.02

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Solution

The fourth proportional to 220,156.17, 303,815.70 and 124,663.02 is: 172,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,156.17 : 303,815.70 = 124,663.02 : x
  2. Step 2: Convert to fraction form
    220,156.17/303,815.70 = 124,663.02/x
  3. Step 3: Cross multiply
    220,156.17x = 303,815.70 × 124,663.02
  4. Step 4: Simplify right side
    220,156.17x = 37,874,582,685.41
  5. Step 5: Solve for x
    x = 37,874,582,685.41/220,156.17
  6. Step 6: Final answer
    x = 172,035.07

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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.