Home / 211,970.52-292,560.66-140,353.56

Finding the Fourth Proportional to 211,970.52, 292,560.66 and 140,353.56

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Solution

The fourth proportional to 211,970.52, 292,560.66 and 140,353.56 is: 193,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,970.52 : 292,560.66 = 140,353.56 : x
  2. Step 2: Convert to fraction form
    211,970.52/292,560.66 = 140,353.56/x
  3. Step 3: Cross multiply
    211,970.52x = 292,560.66 × 140,353.56
  4. Step 4: Simplify right side
    211,970.52x = 41,061,930,146.95
  5. Step 5: Solve for x
    x = 41,061,930,146.95/211,970.52
  6. Step 6: Final answer
    x = 193,715.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.