Home / 294,780.22-442,263.78-105,236.46

Finding the Fourth Proportional to 294,780.22, 442,263.78 and 105,236.46

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Solution

The fourth proportional to 294,780.22, 442,263.78 and 105,236.46 is: 157,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,780.22 : 442,263.78 = 105,236.46 : x
  2. Step 2: Convert to fraction form
    294,780.22/442,263.78 = 105,236.46/x
  3. Step 3: Cross multiply
    294,780.22x = 442,263.78 × 105,236.46
  4. Step 4: Simplify right side
    294,780.22x = 46,542,274,593.42
  5. Step 5: Solve for x
    x = 46,542,274,593.42/294,780.22
  6. Step 6: Final answer
    x = 157,888.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.