Home / 156,043.40-234,065.10-146,201.90

Finding the Fourth Proportional to 156,043.40, 234,065.10 and 146,201.90

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Solution

The fourth proportional to 156,043.40, 234,065.10 and 146,201.90 is: 219,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,043.40 : 234,065.10 = 146,201.90 : x
  2. Step 2: Convert to fraction form
    156,043.40/234,065.10 = 146,201.90/x
  3. Step 3: Cross multiply
    156,043.40x = 234,065.10 × 146,201.90
  4. Step 4: Simplify right side
    156,043.40x = 34,220,762,343.69
  5. Step 5: Solve for x
    x = 34,220,762,343.69/156,043.40
  6. Step 6: Final answer
    x = 219,302.85

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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.