Home / 185,839.80-256,459.23-100,956.93

Finding the Fourth Proportional to 185,839.80, 256,459.23 and 100,956.93

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Solution

The fourth proportional to 185,839.80, 256,459.23 and 100,956.93 is: 139,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.80 : 256,459.23 = 100,956.93 : x
  2. Step 2: Convert to fraction form
    185,839.80/256,459.23 = 100,956.93/x
  3. Step 3: Cross multiply
    185,839.80x = 256,459.23 × 100,956.93
  4. Step 4: Simplify right side
    185,839.80x = 25,891,336,530.96
  5. Step 5: Solve for x
    x = 25,891,336,530.96/185,839.80
  6. Step 6: Final answer
    x = 139,320.73

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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.