Home / 112,000.16-167,915.77-67,616.36

Finding the Fourth Proportional to 112,000.16, 167,915.77 and 67,616.36

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Solution

The fourth proportional to 112,000.16, 167,915.77 and 67,616.36 is: 101,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,000.16 : 167,915.77 = 67,616.36 : x
  2. Step 2: Convert to fraction form
    112,000.16/167,915.77 = 67,616.36/x
  3. Step 3: Cross multiply
    112,000.16x = 167,915.77 × 67,616.36
  4. Step 4: Simplify right side
    112,000.16x = 11,353,853,404.75
  5. Step 5: Solve for x
    x = 11,353,853,404.75/112,000.16
  6. Step 6: Final answer
    x = 101,373.55

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1.5x scale

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.