Home / 144,718.35-216,996.26-99,177.45

Finding the Fourth Proportional to 144,718.35, 216,996.26 and 99,177.45

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Solution

The fourth proportional to 144,718.35, 216,996.26 and 99,177.45 is: 148,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,718.35 : 216,996.26 = 99,177.45 : x
  2. Step 2: Convert to fraction form
    144,718.35/216,996.26 = 99,177.45/x
  3. Step 3: Cross multiply
    144,718.35x = 216,996.26 × 99,177.45
  4. Step 4: Simplify right side
    144,718.35x = 21,521,135,230.45
  5. Step 5: Solve for x
    x = 21,521,135,230.45/144,718.35
  6. Step 6: Final answer
    x = 148,710.48

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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.