Home / 153,922.92-230,560.32-78,814.80

Finding the Fourth Proportional to 153,922.92, 230,560.32 and 78,814.80

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Solution

The fourth proportional to 153,922.92, 230,560.32 and 78,814.80 is: 118,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,922.92 : 230,560.32 = 78,814.80 : x
  2. Step 2: Convert to fraction form
    153,922.92/230,560.32 = 78,814.80/x
  3. Step 3: Cross multiply
    153,922.92x = 230,560.32 × 78,814.80
  4. Step 4: Simplify right side
    153,922.92x = 18,171,565,508.74
  5. Step 5: Solve for x
    x = 18,171,565,508.74/153,922.92
  6. Step 6: Final answer
    x = 118,056.27

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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.