Home / 283,526.73-391,267.26-154,464.57

Finding the Fourth Proportional to 283,526.73, 391,267.26 and 154,464.57

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Solution

The fourth proportional to 283,526.73, 391,267.26 and 154,464.57 is: 213,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,526.73 : 391,267.26 = 154,464.57 : x
  2. Step 2: Convert to fraction form
    283,526.73/391,267.26 = 154,464.57/x
  3. Step 3: Cross multiply
    283,526.73x = 391,267.26 × 154,464.57
  4. Step 4: Simplify right side
    283,526.73x = 60,436,929,070.98
  5. Step 5: Solve for x
    x = 60,436,929,070.98/283,526.73
  6. Step 6: Final answer
    x = 213,161.31

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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.