Home / 234,570.38-323,705.30-127,137.65

Finding the Fourth Proportional to 234,570.38, 323,705.30 and 127,137.65

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Solution

The fourth proportional to 234,570.38, 323,705.30 and 127,137.65 is: 175,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,570.38 : 323,705.30 = 127,137.65 : x
  2. Step 2: Convert to fraction form
    234,570.38/323,705.30 = 127,137.65/x
  3. Step 3: Cross multiply
    234,570.38x = 323,705.30 × 127,137.65
  4. Step 4: Simplify right side
    234,570.38x = 41,155,128,880.33
  5. Step 5: Solve for x
    x = 41,155,128,880.33/234,570.38
  6. Step 6: Final answer
    x = 175,448.96

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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.