Home / 141,761.60-212,671.20-48,276.80

Finding the Fourth Proportional to 141,761.60, 212,671.20 and 48,276.80

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Solution

The fourth proportional to 141,761.60, 212,671.20 and 48,276.80 is: 72,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,761.60 : 212,671.20 = 48,276.80 : x
  2. Step 2: Convert to fraction form
    141,761.60/212,671.20 = 48,276.80/x
  3. Step 3: Cross multiply
    141,761.60x = 212,671.20 × 48,276.80
  4. Step 4: Simplify right side
    141,761.60x = 10,267,084,988.16
  5. Step 5: Solve for x
    x = 10,267,084,988.16/141,761.60
  6. Step 6: Final answer
    x = 72,425.01

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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.