Home / 101,621.80-152,432.70-95,919.40

Finding the Fourth Proportional to 101,621.80, 152,432.70 and 95,919.40

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Solution

The fourth proportional to 101,621.80, 152,432.70 and 95,919.40 is: 143,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,621.80 : 152,432.70 = 95,919.40 : x
  2. Step 2: Convert to fraction form
    101,621.80/152,432.70 = 95,919.40/x
  3. Step 3: Cross multiply
    101,621.80x = 152,432.70 × 95,919.40
  4. Step 4: Simplify right side
    101,621.80x = 14,621,253,124.38
  5. Step 5: Solve for x
    x = 14,621,253,124.38/101,621.80
  6. Step 6: Final answer
    x = 143,879.10

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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.