Home / 147,766.71-221,609.67-52,979.28

Finding the Fourth Proportional to 147,766.71, 221,609.67 and 52,979.28

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Solution

The fourth proportional to 147,766.71, 221,609.67 and 52,979.28 is: 79,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,766.71 : 221,609.67 = 52,979.28 : x
  2. Step 2: Convert to fraction form
    147,766.71/221,609.67 = 52,979.28/x
  3. Step 3: Cross multiply
    147,766.71x = 221,609.67 × 52,979.28
  4. Step 4: Simplify right side
    147,766.71x = 11,740,720,757.64
  5. Step 5: Solve for x
    x = 11,740,720,757.64/147,766.71
  6. Step 6: Final answer
    x = 79,454.44

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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.