Home / 204,036.72-281,586.36-113,400.12

Finding the Fourth Proportional to 204,036.72, 281,586.36 and 113,400.12

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Solution

The fourth proportional to 204,036.72, 281,586.36 and 113,400.12 is: 156,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,036.72 : 281,586.36 = 113,400.12 : x
  2. Step 2: Convert to fraction form
    204,036.72/281,586.36 = 113,400.12/x
  3. Step 3: Cross multiply
    204,036.72x = 281,586.36 × 113,400.12
  4. Step 4: Simplify right side
    204,036.72x = 31,931,927,014.36
  5. Step 5: Solve for x
    x = 31,931,927,014.36/204,036.72
  6. Step 6: Final answer
    x = 156,500.88

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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.