Home / 255,229.08-382,814.46-68,255.16

Finding the Fourth Proportional to 255,229.08, 382,814.46 and 68,255.16

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Solution

The fourth proportional to 255,229.08, 382,814.46 and 68,255.16 is: 102,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,229.08 : 382,814.46 = 68,255.16 : x
  2. Step 2: Convert to fraction form
    255,229.08/382,814.46 = 68,255.16/x
  3. Step 3: Cross multiply
    255,229.08x = 382,814.46 × 68,255.16
  4. Step 4: Simplify right side
    255,229.08x = 26,129,062,217.61
  5. Step 5: Solve for x
    x = 26,129,062,217.61/255,229.08
  6. Step 6: Final answer
    x = 102,374.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.