Home / 131,176.68-181,023.84-74,591.52

Finding the Fourth Proportional to 131,176.68, 181,023.84 and 74,591.52

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Solution

The fourth proportional to 131,176.68, 181,023.84 and 74,591.52 is: 102,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,176.68 : 181,023.84 = 74,591.52 : x
  2. Step 2: Convert to fraction form
    131,176.68/181,023.84 = 74,591.52/x
  3. Step 3: Cross multiply
    131,176.68x = 181,023.84 × 74,591.52
  4. Step 4: Simplify right side
    131,176.68x = 13,502,843,381.84
  5. Step 5: Solve for x
    x = 13,502,843,381.84/131,176.68
  6. Step 6: Final answer
    x = 102,936.31

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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.