Home / 332,621.61-499,129.25-122,407.17

Finding the Fourth Proportional to 332,621.61, 499,129.25 and 122,407.17

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Solution

The fourth proportional to 332,621.61, 499,129.25 and 122,407.17 is: 183,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,621.61 : 499,129.25 = 122,407.17 : x
  2. Step 2: Convert to fraction form
    332,621.61/499,129.25 = 122,407.17/x
  3. Step 3: Cross multiply
    332,621.61x = 499,129.25 × 122,407.17
  4. Step 4: Simplify right side
    332,621.61x = 61,096,998,956.72
  5. Step 5: Solve for x
    x = 61,096,998,956.72/332,621.61
  6. Step 6: Final answer
    x = 183,683.19

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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.