Home / 230,601.55-318,181.52-140,005.15

Finding the Fourth Proportional to 230,601.55, 318,181.52 and 140,005.15

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Solution

The fourth proportional to 230,601.55, 318,181.52 and 140,005.15 is: 193,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,601.55 : 318,181.52 = 140,005.15 : x
  2. Step 2: Convert to fraction form
    230,601.55/318,181.52 = 140,005.15/x
  3. Step 3: Cross multiply
    230,601.55x = 318,181.52 × 140,005.15
  4. Step 4: Simplify right side
    230,601.55x = 44,547,049,843.92
  5. Step 5: Solve for x
    x = 44,547,049,843.92/230,601.55
  6. Step 6: Final answer
    x = 193,177.59

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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.