Home / 265,945.14-398,801.07-99,616.50

Finding the Fourth Proportional to 265,945.14, 398,801.07 and 99,616.50

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Solution

The fourth proportional to 265,945.14, 398,801.07 and 99,616.50 is: 149,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,945.14 : 398,801.07 = 99,616.50 : x
  2. Step 2: Convert to fraction form
    265,945.14/398,801.07 = 99,616.50/x
  3. Step 3: Cross multiply
    265,945.14x = 398,801.07 × 99,616.50
  4. Step 4: Simplify right side
    265,945.14x = 39,727,166,789.66
  5. Step 5: Solve for x
    x = 39,727,166,789.66/265,945.14
  6. Step 6: Final answer
    x = 149,381.06

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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.