Home / 185,983.76-256,656.12-101,098.64

Finding the Fourth Proportional to 185,983.76, 256,656.12 and 101,098.64

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Solution

The fourth proportional to 185,983.76, 256,656.12 and 101,098.64 is: 139,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,983.76 : 256,656.12 = 101,098.64 : x
  2. Step 2: Convert to fraction form
    185,983.76/256,656.12 = 101,098.64/x
  3. Step 3: Cross multiply
    185,983.76x = 256,656.12 × 101,098.64
  4. Step 4: Simplify right side
    185,983.76x = 25,947,584,679.68
  5. Step 5: Solve for x
    x = 25,947,584,679.68/185,983.76
  6. Step 6: Final answer
    x = 139,515.32

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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.