Home / 283,562.34-391,317.39-156,237.63

Finding the Fourth Proportional to 283,562.34, 391,317.39 and 156,237.63

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Solution

The fourth proportional to 283,562.34, 391,317.39 and 156,237.63 is: 215,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,562.34 : 391,317.39 = 156,237.63 : x
  2. Step 2: Convert to fraction form
    283,562.34/391,317.39 = 156,237.63/x
  3. Step 3: Cross multiply
    283,562.34x = 391,317.39 × 156,237.63
  4. Step 4: Simplify right side
    283,562.34x = 61,138,501,591.39
  5. Step 5: Solve for x
    x = 61,138,501,591.39/283,562.34
  6. Step 6: Final answer
    x = 215,608.68

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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.