Home / 111,966.18-154,524.24-83,622.66

Finding the Fourth Proportional to 111,966.18, 154,524.24 and 83,622.66

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Solution

The fourth proportional to 111,966.18, 154,524.24 and 83,622.66 is: 115,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966.18 : 154,524.24 = 83,622.66 : x
  2. Step 2: Convert to fraction form
    111,966.18/154,524.24 = 83,622.66/x
  3. Step 3: Cross multiply
    111,966.18x = 154,524.24 × 83,622.66
  4. Step 4: Simplify right side
    111,966.18x = 12,921,727,983.28
  5. Step 5: Solve for x
    x = 12,921,727,983.28/111,966.18
  6. Step 6: Final answer
    x = 115,407.42

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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.