Home / 170,540.83-255,701.88-70,769.89

Finding the Fourth Proportional to 170,540.83, 255,701.88 and 70,769.89

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Solution

The fourth proportional to 170,540.83, 255,701.88 and 70,769.89 is: 106,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,540.83 : 255,701.88 = 70,769.89 : x
  2. Step 2: Convert to fraction form
    170,540.83/255,701.88 = 70,769.89/x
  3. Step 3: Cross multiply
    170,540.83x = 255,701.88 × 70,769.89
  4. Step 4: Simplify right side
    170,540.83x = 18,095,993,281.14
  5. Step 5: Solve for x
    x = 18,095,993,281.14/170,540.83
  6. Step 6: Final answer
    x = 106,109.45

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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.