Home / 203,875.80-281,345.02-113,228.29

Finding the Fourth Proportional to 203,875.80, 281,345.02 and 113,228.29

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Solution

The fourth proportional to 203,875.80, 281,345.02 and 113,228.29 is: 156,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,875.80 : 281,345.02 = 113,228.29 : x
  2. Step 2: Convert to fraction form
    203,875.80/281,345.02 = 113,228.29/x
  3. Step 3: Cross multiply
    203,875.80x = 281,345.02 × 113,228.29
  4. Step 4: Simplify right side
    203,875.80x = 31,856,215,514.62
  5. Step 5: Solve for x
    x = 31,856,215,514.62/203,875.80
  6. Step 6: Final answer
    x = 156,253.05

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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.