Home / 283,829.81-391,780.01-169,144.45

Finding the Fourth Proportional to 283,829.81, 391,780.01 and 169,144.45

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Solution

The fourth proportional to 283,829.81, 391,780.01 and 169,144.45 is: 233,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,829.81 : 391,780.01 = 169,144.45 : x
  2. Step 2: Convert to fraction form
    283,829.81/391,780.01 = 169,144.45/x
  3. Step 3: Cross multiply
    283,829.81x = 391,780.01 × 169,144.45
  4. Step 4: Simplify right side
    283,829.81x = 66,267,414,312.44
  5. Step 5: Solve for x
    x = 66,267,414,312.44/283,829.81
  6. Step 6: Final answer
    x = 233,475.88

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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.