Home / 141,787.60-212,710.20-48,302.80

Finding the Fourth Proportional to 141,787.60, 212,710.20 and 48,302.80

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Solution

The fourth proportional to 141,787.60, 212,710.20 and 48,302.80 is: 72,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,787.60 : 212,710.20 = 48,302.80 : x
  2. Step 2: Convert to fraction form
    141,787.60/212,710.20 = 48,302.80/x
  3. Step 3: Cross multiply
    141,787.60x = 212,710.20 × 48,302.80
  4. Step 4: Simplify right side
    141,787.60x = 10,274,498,248.56
  5. Step 5: Solve for x
    x = 10,274,498,248.56/141,787.60
  6. Step 6: Final answer
    x = 72,464.01

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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.