Home / 283,637.24-391,419.45-154,575.75

Finding the Fourth Proportional to 283,637.24, 391,419.45 and 154,575.75

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Solution

The fourth proportional to 283,637.24, 391,419.45 and 154,575.75 is: 213,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,637.24 : 391,419.45 = 154,575.75 : x
  2. Step 2: Convert to fraction form
    283,637.24/391,419.45 = 154,575.75/x
  3. Step 3: Cross multiply
    283,637.24x = 391,419.45 × 154,575.75
  4. Step 4: Simplify right side
    283,637.24x = 60,503,955,048.34
  5. Step 5: Solve for x
    x = 60,503,955,048.34/283,637.24
  6. Step 6: Final answer
    x = 213,314.57

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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.