Home / 144,942.36-216,998.82-98,111.40

Finding the Fourth Proportional to 144,942.36, 216,998.82 and 98,111.40

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Solution

The fourth proportional to 144,942.36, 216,998.82 and 98,111.40 is: 146,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,942.36 : 216,998.82 = 98,111.40 : x
  2. Step 2: Convert to fraction form
    144,942.36/216,998.82 = 98,111.40/x
  3. Step 3: Cross multiply
    144,942.36x = 216,998.82 × 98,111.40
  4. Step 4: Simplify right side
    144,942.36x = 21,290,058,028.55
  5. Step 5: Solve for x
    x = 21,290,058,028.55/144,942.36
  6. Step 6: Final answer
    x = 146,886.38

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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.