Home / 185,598.22-256,126.23-100,715.26

Finding the Fourth Proportional to 185,598.22, 256,126.23 and 100,715.26

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Solution

The fourth proportional to 185,598.22, 256,126.23 and 100,715.26 is: 138,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,598.22 : 256,126.23 = 100,715.26 : x
  2. Step 2: Convert to fraction form
    185,598.22/256,126.23 = 100,715.26/x
  3. Step 3: Cross multiply
    185,598.22x = 256,126.23 × 100,715.26
  4. Step 4: Simplify right side
    185,598.22x = 25,795,819,847.27
  5. Step 5: Solve for x
    x = 25,795,819,847.27/185,598.22
  6. Step 6: Final answer
    x = 138,987.43

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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.