Home / 181,630.84-272,456.51-55,275.20

Finding the Fourth Proportional to 181,630.84, 272,456.51 and 55,275.20

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Solution

The fourth proportional to 181,630.84, 272,456.51 and 55,275.20 is: 82,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,630.84 : 272,456.51 = 55,275.20 : x
  2. Step 2: Convert to fraction form
    181,630.84/272,456.51 = 55,275.20/x
  3. Step 3: Cross multiply
    181,630.84x = 272,456.51 × 55,275.20
  4. Step 4: Simplify right side
    181,630.84x = 15,060,088,486.32
  5. Step 5: Solve for x
    x = 15,060,088,486.32/181,630.84
  6. Step 6: Final answer
    x = 82,915.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.