Home / 144,126.33-198,918.68-83,732.01

Finding the Fourth Proportional to 144,126.33, 198,918.68 and 83,732.01

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Solution

The fourth proportional to 144,126.33, 198,918.68 and 83,732.01 is: 115,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126.33 : 198,918.68 = 83,732.01 : x
  2. Step 2: Convert to fraction form
    144,126.33/198,918.68 = 83,732.01/x
  3. Step 3: Cross multiply
    144,126.33x = 198,918.68 × 83,732.01
  4. Step 4: Simplify right side
    144,126.33x = 16,655,860,030.02
  5. Step 5: Solve for x
    x = 16,655,860,030.02/144,126.33
  6. Step 6: Final answer
    x = 115,564.31

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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.