Home / 185,646.12-256,191.72-100,763.16

Finding the Fourth Proportional to 185,646.12, 256,191.72 and 100,763.16

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Solution

The fourth proportional to 185,646.12, 256,191.72 and 100,763.16 is: 139,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,646.12 : 256,191.72 = 100,763.16 : x
  2. Step 2: Convert to fraction form
    185,646.12/256,191.72 = 100,763.16/x
  3. Step 3: Cross multiply
    185,646.12x = 256,191.72 × 100,763.16
  4. Step 4: Simplify right side
    185,646.12x = 25,814,687,273.04
  5. Step 5: Solve for x
    x = 25,814,687,273.04/185,646.12
  6. Step 6: Final answer
    x = 139,053.20

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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.