Home / 112,002.28-167,918.95-67,618.50

Finding the Fourth Proportional to 112,002.28, 167,918.95 and 67,618.50

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Solution

The fourth proportional to 112,002.28, 167,918.95 and 67,618.50 is: 101,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.28 : 167,918.95 = 67,618.50 : x
  2. Step 2: Convert to fraction form
    112,002.28/167,918.95 = 67,618.50/x
  3. Step 3: Cross multiply
    112,002.28x = 167,918.95 × 67,618.50
  4. Step 4: Simplify right side
    112,002.28x = 11,354,427,520.58
  5. Step 5: Solve for x
    x = 11,354,427,520.58/112,002.28
  6. Step 6: Final answer
    x = 101,376.75

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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.