Home / 194,669.20-292,003.80-132,000.40

Finding the Fourth Proportional to 194,669.20, 292,003.80 and 132,000.40

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Solution

The fourth proportional to 194,669.20, 292,003.80 and 132,000.40 is: 198,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,669.20 : 292,003.80 = 132,000.40 : x
  2. Step 2: Convert to fraction form
    194,669.20/292,003.80 = 132,000.40/x
  3. Step 3: Cross multiply
    194,669.20x = 292,003.80 × 132,000.40
  4. Step 4: Simplify right side
    194,669.20x = 38,544,618,401.52
  5. Step 5: Solve for x
    x = 38,544,618,401.52/194,669.20
  6. Step 6: Final answer
    x = 198,000.60

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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.