Home / 318,583.38-439,641.72-175,340.34

Finding the Fourth Proportional to 318,583.38, 439,641.72 and 175,340.34

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Solution

The fourth proportional to 318,583.38, 439,641.72 and 175,340.34 is: 241,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,583.38 : 439,641.72 = 175,340.34 : x
  2. Step 2: Convert to fraction form
    318,583.38/439,641.72 = 175,340.34/x
  3. Step 3: Cross multiply
    318,583.38x = 439,641.72 × 175,340.34
  4. Step 4: Simplify right side
    318,583.38x = 77,086,928,662.98
  5. Step 5: Solve for x
    x = 77,086,928,662.98/318,583.38
  6. Step 6: Final answer
    x = 241,967.83

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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.