Home / 144,173.46-198,955.51-79,641.30

Finding the Fourth Proportional to 144,173.46, 198,955.51 and 79,641.30

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Solution

The fourth proportional to 144,173.46, 198,955.51 and 79,641.30 is: 109,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,173.46 : 198,955.51 = 79,641.30 : x
  2. Step 2: Convert to fraction form
    144,173.46/198,955.51 = 79,641.30/x
  3. Step 3: Cross multiply
    144,173.46x = 198,955.51 × 79,641.30
  4. Step 4: Simplify right side
    144,173.46x = 15,845,075,458.56
  5. Step 5: Solve for x
    x = 15,845,075,458.56/144,173.46
  6. Step 6: Final answer
    x = 109,902.86

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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.