Home / 141,869.60-212,833.20-48,384.80

Finding the Fourth Proportional to 141,869.60, 212,833.20 and 48,384.80

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Solution

The fourth proportional to 141,869.60, 212,833.20 and 48,384.80 is: 72,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,869.60 : 212,833.20 = 48,384.80 : x
  2. Step 2: Convert to fraction form
    141,869.60/212,833.20 = 48,384.80/x
  3. Step 3: Cross multiply
    141,869.60x = 212,833.20 × 48,384.80
  4. Step 4: Simplify right side
    141,869.60x = 10,297,891,815.36
  5. Step 5: Solve for x
    x = 10,297,891,815.36/141,869.60
  6. Step 6: Final answer
    x = 72,587.02

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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.