Home / 352,121.49-528,049.56-127,426.35

Finding the Fourth Proportional to 352,121.49, 528,049.56 and 127,426.35

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Solution

The fourth proportional to 352,121.49, 528,049.56 and 127,426.35 is: 191,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,121.49 : 528,049.56 = 127,426.35 : x
  2. Step 2: Convert to fraction form
    352,121.49/528,049.56 = 127,426.35/x
  3. Step 3: Cross multiply
    352,121.49x = 528,049.56 × 127,426.35
  4. Step 4: Simplify right side
    352,121.49x = 67,287,428,049.91
  5. Step 5: Solve for x
    x = 67,287,428,049.91/352,121.49
  6. Step 6: Final answer
    x = 191,091.51

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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.