Home / 185,883.56-256,520.87-101,000.62

Finding the Fourth Proportional to 185,883.56, 256,520.87 and 101,000.62

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Solution

The fourth proportional to 185,883.56, 256,520.87 and 101,000.62 is: 139,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,883.56 : 256,520.87 = 101,000.62 : x
  2. Step 2: Convert to fraction form
    185,883.56/256,520.87 = 101,000.62/x
  3. Step 3: Cross multiply
    185,883.56x = 256,520.87 × 101,000.62
  4. Step 4: Simplify right side
    185,883.56x = 25,908,767,675.47
  5. Step 5: Solve for x
    x = 25,908,767,675.47/185,883.56
  6. Step 6: Final answer
    x = 139,381.71

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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.