Home / 237,976.20-328,235.76-153,012.08

Finding the Fourth Proportional to 237,976.20, 328,235.76 and 153,012.08

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Solution

The fourth proportional to 237,976.20, 328,235.76 and 153,012.08 is: 211,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,976.20 : 328,235.76 = 153,012.08 : x
  2. Step 2: Convert to fraction form
    237,976.20/328,235.76 = 153,012.08/x
  3. Step 3: Cross multiply
    237,976.20x = 328,235.76 × 153,012.08
  4. Step 4: Simplify right side
    237,976.20x = 50,224,036,367.98
  5. Step 5: Solve for x
    x = 50,224,036,367.98/237,976.20
  6. Step 6: Final answer
    x = 211,046.47

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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.