Home / 283,780.28-391,603.62-162,838.76

Finding the Fourth Proportional to 283,780.28, 391,603.62 and 162,838.76

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Solution

The fourth proportional to 283,780.28, 391,603.62 and 162,838.76 is: 224,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,780.28 : 391,603.62 = 162,838.76 : x
  2. Step 2: Convert to fraction form
    283,780.28/391,603.62 = 162,838.76/x
  3. Step 3: Cross multiply
    283,780.28x = 391,603.62 × 162,838.76
  4. Step 4: Simplify right side
    283,780.28x = 63,768,247,892.31
  5. Step 5: Solve for x
    x = 63,768,247,892.31/283,780.28
  6. Step 6: Final answer
    x = 224,709.93

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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.