Home / 283,542.57-391,345.25-162,765.45

Finding the Fourth Proportional to 283,542.57, 391,345.25 and 162,765.45

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Solution

The fourth proportional to 283,542.57, 391,345.25 and 162,765.45 is: 224,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,542.57 : 391,345.25 = 162,765.45 : x
  2. Step 2: Convert to fraction form
    283,542.57/391,345.25 = 162,765.45/x
  3. Step 3: Cross multiply
    283,542.57x = 391,345.25 × 162,765.45
  4. Step 4: Simplify right side
    283,542.57x = 63,697,484,907.79
  5. Step 5: Solve for x
    x = 63,697,484,907.79/283,542.57
  6. Step 6: Final answer
    x = 224,648.75

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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.