Home / 185,546.16-256,053.96-100,663.56

Finding the Fourth Proportional to 185,546.16, 256,053.96 and 100,663.56

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Solution

The fourth proportional to 185,546.16, 256,053.96 and 100,663.56 is: 138,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,546.16 : 256,053.96 = 100,663.56 : x
  2. Step 2: Convert to fraction form
    185,546.16/256,053.96 = 100,663.56/x
  3. Step 3: Cross multiply
    185,546.16x = 256,053.96 × 100,663.56
  4. Step 4: Simplify right side
    185,546.16x = 25,775,303,165.70
  5. Step 5: Solve for x
    x = 25,775,303,165.70/185,546.16
  6. Step 6: Final answer
    x = 138,915.85

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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.