Home / 185,839.84-256,459.20-100,956.96

Finding the Fourth Proportional to 185,839.84, 256,459.20 and 100,956.96

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Solution

The fourth proportional to 185,839.84, 256,459.20 and 100,956.96 is: 139,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.84 : 256,459.20 = 100,956.96 : x
  2. Step 2: Convert to fraction form
    185,839.84/256,459.20 = 100,956.96/x
  3. Step 3: Cross multiply
    185,839.84x = 256,459.20 × 100,956.96
  4. Step 4: Simplify right side
    185,839.84x = 25,891,341,196.03
  5. Step 5: Solve for x
    x = 25,891,341,196.03/185,839.84
  6. Step 6: Final answer
    x = 139,320.72

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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.