Home / 181,981.80-272,924.10-55,621.80

Finding the Fourth Proportional to 181,981.80, 272,924.10 and 55,621.80

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Solution

The fourth proportional to 181,981.80, 272,924.10 and 55,621.80 is: 83,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,981.80 : 272,924.10 = 55,621.80 : x
  2. Step 2: Convert to fraction form
    181,981.80/272,924.10 = 55,621.80/x
  3. Step 3: Cross multiply
    181,981.80x = 272,924.10 × 55,621.80
  4. Step 4: Simplify right side
    181,981.80x = 15,180,529,705.38
  5. Step 5: Solve for x
    x = 15,180,529,705.38/181,981.80
  6. Step 6: Final answer
    x = 83,417.85

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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.