Home / 283,927.32-391,819.82-156,611.12

Finding the Fourth Proportional to 283,927.32, 391,819.82 and 156,611.12

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Solution

The fourth proportional to 283,927.32, 391,819.82 and 156,611.12 is: 216,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,927.32 : 391,819.82 = 156,611.12 : x
  2. Step 2: Convert to fraction form
    283,927.32/391,819.82 = 156,611.12/x
  3. Step 3: Cross multiply
    283,927.32x = 391,819.82 × 156,611.12
  4. Step 4: Simplify right side
    283,927.32x = 61,363,338,106.24
  5. Step 5: Solve for x
    x = 61,363,338,106.24/283,927.32
  6. Step 6: Final answer
    x = 216,123.40

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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.