Home / 354,079.05-531,275.57-185,559.31

Finding the Fourth Proportional to 354,079.05, 531,275.57 and 185,559.31

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Solution

The fourth proportional to 354,079.05, 531,275.57 and 185,559.31 is: 278,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,079.05 : 531,275.57 = 185,559.31 : x
  2. Step 2: Convert to fraction form
    354,079.05/531,275.57 = 185,559.31/x
  3. Step 3: Cross multiply
    354,079.05x = 531,275.57 × 185,559.31
  4. Step 4: Simplify right side
    354,079.05x = 98,583,129,664.97
  5. Step 5: Solve for x
    x = 98,583,129,664.97/354,079.05
  6. Step 6: Final answer
    x = 278,421.24

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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.