Home / 283,620.23-391,394.04-156,295.93

Finding the Fourth Proportional to 283,620.23, 391,394.04 and 156,295.93

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Solution

The fourth proportional to 283,620.23, 391,394.04 and 156,295.93 is: 215,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,620.23 : 391,394.04 = 156,295.93 : x
  2. Step 2: Convert to fraction form
    283,620.23/391,394.04 = 156,295.93/x
  3. Step 3: Cross multiply
    283,620.23x = 391,394.04 × 156,295.93
  4. Step 4: Simplify right side
    283,620.23x = 61,173,295,478.26
  5. Step 5: Solve for x
    x = 61,173,295,478.26/283,620.23
  6. Step 6: Final answer
    x = 215,687.35

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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.