Home / 251,117.10-376,639.20-73,605.60

Finding the Fourth Proportional to 251,117.10, 376,639.20 and 73,605.60

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Solution

The fourth proportional to 251,117.10, 376,639.20 and 73,605.60 is: 110,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,117.10 : 376,639.20 = 73,605.60 : x
  2. Step 2: Convert to fraction form
    251,117.10/376,639.20 = 73,605.60/x
  3. Step 3: Cross multiply
    251,117.10x = 376,639.20 × 73,605.60
  4. Step 4: Simplify right side
    251,117.10x = 27,722,754,299.52
  5. Step 5: Solve for x
    x = 27,722,754,299.52/251,117.10
  6. Step 6: Final answer
    x = 110,397.72

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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.