Home / 202,815.10-304,222.65-132,312.70

Finding the Fourth Proportional to 202,815.10, 304,222.65 and 132,312.70

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Solution

The fourth proportional to 202,815.10, 304,222.65 and 132,312.70 is: 198,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,815.10 : 304,222.65 = 132,312.70 : x
  2. Step 2: Convert to fraction form
    202,815.10/304,222.65 = 132,312.70/x
  3. Step 3: Cross multiply
    202,815.10x = 304,222.65 × 132,312.70
  4. Step 4: Simplify right side
    202,815.10x = 40,252,520,222.66
  5. Step 5: Solve for x
    x = 40,252,520,222.66/202,815.10
  6. Step 6: Final answer
    x = 198,469.05

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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.