Home / 144,202.31-199,010.81-79,677.18

Finding the Fourth Proportional to 144,202.31, 199,010.81 and 79,677.18

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Solution

The fourth proportional to 144,202.31, 199,010.81 and 79,677.18 is: 109,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,202.31 : 199,010.81 = 79,677.18 : x
  2. Step 2: Convert to fraction form
    144,202.31/199,010.81 = 79,677.18/x
  3. Step 3: Cross multiply
    144,202.31x = 199,010.81 × 79,677.18
  4. Step 4: Simplify right side
    144,202.31x = 15,856,619,731.93
  5. Step 5: Solve for x
    x = 15,856,619,731.93/144,202.31
  6. Step 6: Final answer
    x = 109,960.93

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1.5x scale

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.