Home / 144,201.14-198,996.44-83,807.13

Finding the Fourth Proportional to 144,201.14, 198,996.44 and 83,807.13

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Solution

The fourth proportional to 144,201.14, 198,996.44 and 83,807.13 is: 115,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,201.14 : 198,996.44 = 83,807.13 : x
  2. Step 2: Convert to fraction form
    144,201.14/198,996.44 = 83,807.13/x
  3. Step 3: Cross multiply
    144,201.14x = 198,996.44 × 83,807.13
  4. Step 4: Simplify right side
    144,201.14x = 16,677,320,097.58
  5. Step 5: Solve for x
    x = 16,677,320,097.58/144,201.14
  6. Step 6: Final answer
    x = 115,653.18

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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.