Home / 235,072.20-352,669.10-101,921.70

Finding the Fourth Proportional to 235,072.20, 352,669.10 and 101,921.70

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Solution

The fourth proportional to 235,072.20, 352,669.10 and 101,921.70 is: 152,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,072.20 : 352,669.10 = 101,921.70 : x
  2. Step 2: Convert to fraction form
    235,072.20/352,669.10 = 101,921.70/x
  3. Step 3: Cross multiply
    235,072.20x = 352,669.10 × 101,921.70
  4. Step 4: Simplify right side
    235,072.20x = 35,944,633,699.86
  5. Step 5: Solve for x
    x = 35,944,633,699.86/235,072.20
  6. Step 6: Final answer
    x = 152,908.91

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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.