Home / 170,561.03-255,789.63-70,697.75

Finding the Fourth Proportional to 170,561.03, 255,789.63 and 70,697.75

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Solution

The fourth proportional to 170,561.03, 255,789.63 and 70,697.75 is: 106,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,561.03 : 255,789.63 = 70,697.75 : x
  2. Step 2: Convert to fraction form
    170,561.03/255,789.63 = 70,697.75/x
  3. Step 3: Cross multiply
    170,561.03x = 255,789.63 × 70,697.75
  4. Step 4: Simplify right side
    170,561.03x = 18,083,750,035.38
  5. Step 5: Solve for x
    x = 18,083,750,035.38/170,561.03
  6. Step 6: Final answer
    x = 106,025.10

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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.