Home / 141,802.04-212,765.60-75,225.88

Finding the Fourth Proportional to 141,802.04, 212,765.60 and 75,225.88

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Solution

The fourth proportional to 141,802.04, 212,765.60 and 75,225.88 is: 112,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,802.04 : 212,765.60 = 75,225.88 : x
  2. Step 2: Convert to fraction form
    141,802.04/212,765.60 = 75,225.88/x
  3. Step 3: Cross multiply
    141,802.04x = 212,765.60 × 75,225.88
  4. Step 4: Simplify right side
    141,802.04x = 16,005,479,493.73
  5. Step 5: Solve for x
    x = 16,005,479,493.73/141,802.04
  6. Step 6: Final answer
    x = 112,872.00

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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.