Home / 230,121.27-317,491.25-134,560.31

Finding the Fourth Proportional to 230,121.27, 317,491.25 and 134,560.31

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Solution

The fourth proportional to 230,121.27, 317,491.25 and 134,560.31 is: 185,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,121.27 : 317,491.25 = 134,560.31 : x
  2. Step 2: Convert to fraction form
    230,121.27/317,491.25 = 134,560.31/x
  3. Step 3: Cross multiply
    230,121.27x = 317,491.25 × 134,560.31
  4. Step 4: Simplify right side
    230,121.27x = 42,721,718,762.03
  5. Step 5: Solve for x
    x = 42,721,718,762.03/230,121.27
  6. Step 6: Final answer
    x = 185,648.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.