Home / 181,816.45-272,423.96-92,947.70

Finding the Fourth Proportional to 181,816.45, 272,423.96 and 92,947.70

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Solution

The fourth proportional to 181,816.45, 272,423.96 and 92,947.70 is: 139,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,816.45 : 272,423.96 = 92,947.70 : x
  2. Step 2: Convert to fraction form
    181,816.45/272,423.96 = 92,947.70/x
  3. Step 3: Cross multiply
    181,816.45x = 272,423.96 × 92,947.70
  4. Step 4: Simplify right side
    181,816.45x = 25,321,181,071.77
  5. Step 5: Solve for x
    x = 25,321,181,071.77/181,816.45
  6. Step 6: Final answer
    x = 139,267.82

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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.