Home / 175,074.30-262,006.65-105,003.90

Finding the Fourth Proportional to 175,074.30, 262,006.65 and 105,003.90

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Solution

The fourth proportional to 175,074.30, 262,006.65 and 105,003.90 is: 157,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,074.30 : 262,006.65 = 105,003.90 : x
  2. Step 2: Convert to fraction form
    175,074.30/262,006.65 = 105,003.90/x
  3. Step 3: Cross multiply
    175,074.30x = 262,006.65 × 105,003.90
  4. Step 4: Simplify right side
    175,074.30x = 27,511,720,075.94
  5. Step 5: Solve for x
    x = 27,511,720,075.94/175,074.30
  6. Step 6: Final answer
    x = 157,143.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.