Home / 181,628.20-272,423.10-56,962.60

Finding the Fourth Proportional to 181,628.20, 272,423.10 and 56,962.60

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Solution

The fourth proportional to 181,628.20, 272,423.10 and 56,962.60 is: 85,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,628.20 : 272,423.10 = 56,962.60 : x
  2. Step 2: Convert to fraction form
    181,628.20/272,423.10 = 56,962.60/x
  3. Step 3: Cross multiply
    181,628.20x = 272,423.10 × 56,962.60
  4. Step 4: Simplify right side
    181,628.20x = 15,517,928,076.06
  5. Step 5: Solve for x
    x = 15,517,928,076.06/181,628.20
  6. Step 6: Final answer
    x = 85,437.88

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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.