Home / 156,020.30-234,030.45-132,400.70

Finding the Fourth Proportional to 156,020.30, 234,030.45 and 132,400.70

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Solution

The fourth proportional to 156,020.30, 234,030.45 and 132,400.70 is: 198,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,020.30 : 234,030.45 = 132,400.70 : x
  2. Step 2: Convert to fraction form
    156,020.30/234,030.45 = 132,400.70/x
  3. Step 3: Cross multiply
    156,020.30x = 234,030.45 × 132,400.70
  4. Step 4: Simplify right side
    156,020.30x = 30,985,795,401.32
  5. Step 5: Solve for x
    x = 30,985,795,401.32/156,020.30
  6. Step 6: Final answer
    x = 198,601.05

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1.5x scale

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.