Home / 230,210.38-317,617.23-129,588.94

Finding the Fourth Proportional to 230,210.38, 317,617.23 and 129,588.94

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Solution

The fourth proportional to 230,210.38, 317,617.23 and 129,588.94 is: 178,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,210.38 : 317,617.23 = 129,588.94 : x
  2. Step 2: Convert to fraction form
    230,210.38/317,617.23 = 129,588.94/x
  3. Step 3: Cross multiply
    230,210.38x = 317,617.23 × 129,588.94
  4. Step 4: Simplify right side
    230,210.38x = 41,159,680,161.44
  5. Step 5: Solve for x
    x = 41,159,680,161.44/230,210.38
  6. Step 6: Final answer
    x = 178,791.59

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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.