Home / 211,292.20-316,938.30-132,560.20

Finding the Fourth Proportional to 211,292.20, 316,938.30 and 132,560.20

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Solution

The fourth proportional to 211,292.20, 316,938.30 and 132,560.20 is: 198,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,292.20 : 316,938.30 = 132,560.20 : x
  2. Step 2: Convert to fraction form
    211,292.20/316,938.30 = 132,560.20/x
  3. Step 3: Cross multiply
    211,292.20x = 316,938.30 × 132,560.20
  4. Step 4: Simplify right side
    211,292.20x = 42,013,404,435.66
  5. Step 5: Solve for x
    x = 42,013,404,435.66/211,292.20
  6. Step 6: Final answer
    x = 198,840.30

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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.