Home / 144,193.24-198,705.58-103,830.79

Finding the Fourth Proportional to 144,193.24, 198,705.58 and 103,830.79

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Solution

The fourth proportional to 144,193.24, 198,705.58 and 103,830.79 is: 143,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,193.24 : 198,705.58 = 103,830.79 : x
  2. Step 2: Convert to fraction form
    144,193.24/198,705.58 = 103,830.79/x
  3. Step 3: Cross multiply
    144,193.24x = 198,705.58 × 103,830.79
  4. Step 4: Simplify right side
    144,193.24x = 20,631,756,698.20
  5. Step 5: Solve for x
    x = 20,631,756,698.20/144,193.24
  6. Step 6: Final answer
    x = 143,084.08

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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.