Home / 283,838.28-391,699.75-156,518.43

Finding the Fourth Proportional to 283,838.28, 391,699.75 and 156,518.43

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Solution

The fourth proportional to 283,838.28, 391,699.75 and 156,518.43 is: 215,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,838.28 : 391,699.75 = 156,518.43 : x
  2. Step 2: Convert to fraction form
    283,838.28/391,699.75 = 156,518.43/x
  3. Step 3: Cross multiply
    283,838.28x = 391,699.75 × 156,518.43
  4. Step 4: Simplify right side
    283,838.28x = 61,308,228,334.69
  5. Step 5: Solve for x
    x = 61,308,228,334.69/283,838.28
  6. Step 6: Final answer
    x = 215,997.04

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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.