Home / 124,798.66-187,094.31-87,251.38

Finding the Fourth Proportional to 124,798.66, 187,094.31 and 87,251.38

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Solution

The fourth proportional to 124,798.66, 187,094.31 and 87,251.38 is: 130,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,798.66 : 187,094.31 = 87,251.38 : x
  2. Step 2: Convert to fraction form
    124,798.66/187,094.31 = 87,251.38/x
  3. Step 3: Cross multiply
    124,798.66x = 187,094.31 × 87,251.38
  4. Step 4: Simplify right side
    124,798.66x = 16,324,236,737.65
  5. Step 5: Solve for x
    x = 16,324,236,737.65/124,798.66
  6. Step 6: Final answer
    x = 130,804.58

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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.