Home / 153,923.92-230,561.82-78,815.80

Finding the Fourth Proportional to 153,923.92, 230,561.82 and 78,815.80

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Solution

The fourth proportional to 153,923.92, 230,561.82 and 78,815.80 is: 118,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923.92 : 230,561.82 = 78,815.80 : x
  2. Step 2: Convert to fraction form
    153,923.92/230,561.82 = 78,815.80/x
  3. Step 3: Cross multiply
    153,923.92x = 230,561.82 × 78,815.80
  4. Step 4: Simplify right side
    153,923.92x = 18,171,914,292.76
  5. Step 5: Solve for x
    x = 18,171,914,292.76/153,923.92
  6. Step 6: Final answer
    x = 118,057.77

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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.