Home / 283,594.23-391,368.38-156,278.03

Finding the Fourth Proportional to 283,594.23, 391,368.38 and 156,278.03

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Solution

The fourth proportional to 283,594.23, 391,368.38 and 156,278.03 is: 215,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,594.23 : 391,368.38 = 156,278.03 : x
  2. Step 2: Convert to fraction form
    283,594.23/391,368.38 = 156,278.03/x
  3. Step 3: Cross multiply
    283,594.23x = 391,368.38 × 156,278.03
  4. Step 4: Simplify right side
    283,594.23x = 61,162,276,692.46
  5. Step 5: Solve for x
    x = 61,162,276,692.46/283,594.23
  6. Step 6: Final answer
    x = 215,668.27

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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.