Home / 111,613.17-167,378.04-45,017.04

Finding the Fourth Proportional to 111,613.17, 167,378.04 and 45,017.04

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Solution

The fourth proportional to 111,613.17, 167,378.04 and 45,017.04 is: 67,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,613.17 : 167,378.04 = 45,017.04 : x
  2. Step 2: Convert to fraction form
    111,613.17/167,378.04 = 45,017.04/x
  3. Step 3: Cross multiply
    111,613.17x = 167,378.04 × 45,017.04
  4. Step 4: Simplify right side
    111,613.17x = 7,534,863,921.80
  5. Step 5: Solve for x
    x = 7,534,863,921.80/111,613.17
  6. Step 6: Final answer
    x = 67,508.74

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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.