Home / 283,582.08-391,343.40-156,256.56

Finding the Fourth Proportional to 283,582.08, 391,343.40 and 156,256.56

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Solution

The fourth proportional to 283,582.08, 391,343.40 and 156,256.56 is: 215,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,582.08 : 391,343.40 = 156,256.56 : x
  2. Step 2: Convert to fraction form
    283,582.08/391,343.40 = 156,256.56/x
  3. Step 3: Cross multiply
    283,582.08x = 391,343.40 × 156,256.56
  4. Step 4: Simplify right side
    283,582.08x = 61,149,973,462.70
  5. Step 5: Solve for x
    x = 61,149,973,462.70/283,582.08
  6. Step 6: Final answer
    x = 215,634.12

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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.