Home / 185,633.10-256,172.13-100,750.14

Finding the Fourth Proportional to 185,633.10, 256,172.13 and 100,750.14

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Solution

The fourth proportional to 185,633.10, 256,172.13 and 100,750.14 is: 139,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,633.10 : 256,172.13 = 100,750.14 : x
  2. Step 2: Convert to fraction form
    185,633.10/256,172.13 = 100,750.14/x
  3. Step 3: Cross multiply
    185,633.10x = 256,172.13 × 100,750.14
  4. Step 4: Simplify right side
    185,633.10x = 25,809,377,961.60
  5. Step 5: Solve for x
    x = 25,809,377,961.60/185,633.10
  6. Step 6: Final answer
    x = 139,034.35

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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.