Home / 111,656.20-154,086.13-60,669.06

Finding the Fourth Proportional to 111,656.20, 154,086.13 and 60,669.06

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Solution

The fourth proportional to 111,656.20, 154,086.13 and 60,669.06 is: 83,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,656.20 : 154,086.13 = 60,669.06 : x
  2. Step 2: Convert to fraction form
    111,656.20/154,086.13 = 60,669.06/x
  3. Step 3: Cross multiply
    111,656.20x = 154,086.13 × 60,669.06
  4. Step 4: Simplify right side
    111,656.20x = 9,348,260,666.14
  5. Step 5: Solve for x
    x = 9,348,260,666.14/111,656.20
  6. Step 6: Final answer
    x = 83,723.61

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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.