Home / 141,815.70-212,723.55-48,321.45

Finding the Fourth Proportional to 141,815.70, 212,723.55 and 48,321.45

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Solution

The fourth proportional to 141,815.70, 212,723.55 and 48,321.45 is: 72,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.70 : 212,723.55 = 48,321.45 : x
  2. Step 2: Convert to fraction form
    141,815.70/212,723.55 = 48,321.45/x
  3. Step 3: Cross multiply
    141,815.70x = 212,723.55 × 48,321.45
  4. Step 4: Simplify right side
    141,815.70x = 10,279,110,385.15
  5. Step 5: Solve for x
    x = 10,279,110,385.15/141,815.70
  6. Step 6: Final answer
    x = 72,482.18

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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.