Home / 178,825.20-246,778.20-99,337.20

Finding the Fourth Proportional to 178,825.20, 246,778.20 and 99,337.20

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Solution

The fourth proportional to 178,825.20, 246,778.20 and 99,337.20 is: 137,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,825.20 : 246,778.20 = 99,337.20 : x
  2. Step 2: Convert to fraction form
    178,825.20/246,778.20 = 99,337.20/x
  3. Step 3: Cross multiply
    178,825.20x = 246,778.20 × 99,337.20
  4. Step 4: Simplify right side
    178,825.20x = 24,514,255,409.04
  5. Step 5: Solve for x
    x = 24,514,255,409.04/178,825.20
  6. Step 6: Final answer
    x = 137,085.02

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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.