Home / 283,799.79-391,636.22-156,472.11

Finding the Fourth Proportional to 283,799.79, 391,636.22 and 156,472.11

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Solution

The fourth proportional to 283,799.79, 391,636.22 and 156,472.11 is: 215,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,799.79 : 391,636.22 = 156,472.11 : x
  2. Step 2: Convert to fraction form
    283,799.79/391,636.22 = 156,472.11/x
  3. Step 3: Cross multiply
    283,799.79x = 391,636.22 × 156,472.11
  4. Step 4: Simplify right side
    283,799.79x = 61,280,144,913.46
  5. Step 5: Solve for x
    x = 61,280,144,913.46/283,799.79
  6. Step 6: Final answer
    x = 215,927.38

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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.