Home / 113,574.03-156,732.38-68,252.71

Finding the Fourth Proportional to 113,574.03, 156,732.38 and 68,252.71

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Solution

The fourth proportional to 113,574.03, 156,732.38 and 68,252.71 is: 94,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,574.03 : 156,732.38 = 68,252.71 : x
  2. Step 2: Convert to fraction form
    113,574.03/156,732.38 = 68,252.71/x
  3. Step 3: Cross multiply
    113,574.03x = 156,732.38 × 68,252.71
  4. Step 4: Simplify right side
    113,574.03x = 10,697,409,458.55
  5. Step 5: Solve for x
    x = 10,697,409,458.55/113,574.03
  6. Step 6: Final answer
    x = 94,188.87

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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.