Home / 185,598.46-256,126.56-100,715.52

Finding the Fourth Proportional to 185,598.46, 256,126.56 and 100,715.52

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Solution

The fourth proportional to 185,598.46, 256,126.56 and 100,715.52 is: 138,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,598.46 : 256,126.56 = 100,715.52 : x
  2. Step 2: Convert to fraction form
    185,598.46/256,126.56 = 100,715.52/x
  3. Step 3: Cross multiply
    185,598.46x = 256,126.56 × 100,715.52
  4. Step 4: Simplify right side
    185,598.46x = 25,795,919,676.21
  5. Step 5: Solve for x
    x = 25,795,919,676.21/185,598.46
  6. Step 6: Final answer
    x = 138,987.79

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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.