Home / 144,075.02-198,826.70-79,544.06

Finding the Fourth Proportional to 144,075.02, 198,826.70 and 79,544.06

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Solution

The fourth proportional to 144,075.02, 198,826.70 and 79,544.06 is: 109,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,075.02 : 198,826.70 = 79,544.06 : x
  2. Step 2: Convert to fraction form
    144,075.02/198,826.70 = 79,544.06/x
  3. Step 3: Cross multiply
    144,075.02x = 198,826.70 × 79,544.06
  4. Step 4: Simplify right side
    144,075.02x = 15,815,482,954.40
  5. Step 5: Solve for x
    x = 15,815,482,954.40/144,075.02
  6. Step 6: Final answer
    x = 109,772.55

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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.