Home / 230,723.64-318,331.50-144,753.72

Finding the Fourth Proportional to 230,723.64, 318,331.50 and 144,753.72

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Solution

The fourth proportional to 230,723.64, 318,331.50 and 144,753.72 is: 199,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,723.64 : 318,331.50 = 144,753.72 : x
  2. Step 2: Convert to fraction form
    230,723.64/318,331.50 = 144,753.72/x
  3. Step 3: Cross multiply
    230,723.64x = 318,331.50 × 144,753.72
  4. Step 4: Simplify right side
    230,723.64x = 46,079,668,818.18
  5. Step 5: Solve for x
    x = 46,079,668,818.18/230,723.64
  6. Step 6: Final answer
    x = 199,718.02

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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.