Home / 170,540.10-255,700.76-70,769.16

Finding the Fourth Proportional to 170,540.10, 255,700.76 and 70,769.16

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Solution

The fourth proportional to 170,540.10, 255,700.76 and 70,769.16 is: 106,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,540.10 : 255,700.76 = 70,769.16 : x
  2. Step 2: Convert to fraction form
    170,540.10/255,700.76 = 70,769.16/x
  3. Step 3: Cross multiply
    170,540.10x = 255,700.76 × 70,769.16
  4. Step 4: Simplify right side
    170,540.10x = 18,095,727,642.72
  5. Step 5: Solve for x
    x = 18,095,727,642.72/170,540.10
  6. Step 6: Final answer
    x = 106,108.34

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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.