Home / 196,006.52-270,481.02-115,437.40

Finding the Fourth Proportional to 196,006.52, 270,481.02 and 115,437.40

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Solution

The fourth proportional to 196,006.52, 270,481.02 and 115,437.40 is: 159,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,006.52 : 270,481.02 = 115,437.40 : x
  2. Step 2: Convert to fraction form
    196,006.52/270,481.02 = 115,437.40/x
  3. Step 3: Cross multiply
    196,006.52x = 270,481.02 × 115,437.40
  4. Step 4: Simplify right side
    196,006.52x = 31,223,625,698.15
  5. Step 5: Solve for x
    x = 31,223,625,698.15/196,006.52
  6. Step 6: Final answer
    x = 159,298.91

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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.