Home / 185,343.86-278,015.79-160,309.55

Finding the Fourth Proportional to 185,343.86, 278,015.79 and 160,309.55

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Solution

The fourth proportional to 185,343.86, 278,015.79 and 160,309.55 is: 240,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,343.86 : 278,015.79 = 160,309.55 : x
  2. Step 2: Convert to fraction form
    185,343.86/278,015.79 = 160,309.55/x
  3. Step 3: Cross multiply
    185,343.86x = 278,015.79 × 160,309.55
  4. Step 4: Simplify right side
    185,343.86x = 44,568,585,920.16
  5. Step 5: Solve for x
    x = 44,568,585,920.16/185,343.86
  6. Step 6: Final answer
    x = 240,464.32

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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.