Home / 118,222.16-163,082.04-75,732.80

Finding the Fourth Proportional to 118,222.16, 163,082.04 and 75,732.80

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Solution

The fourth proportional to 118,222.16, 163,082.04 and 75,732.80 is: 104,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,222.16 : 163,082.04 = 75,732.80 : x
  2. Step 2: Convert to fraction form
    118,222.16/163,082.04 = 75,732.80/x
  3. Step 3: Cross multiply
    118,222.16x = 163,082.04 × 75,732.80
  4. Step 4: Simplify right side
    118,222.16x = 12,350,659,518.91
  5. Step 5: Solve for x
    x = 12,350,659,518.91/118,222.16
  6. Step 6: Final answer
    x = 104,469.92

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1.5x scale

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.