Home / 174,520.80-261,569.57-79,620.98

Finding the Fourth Proportional to 174,520.80, 261,569.57 and 79,620.98

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Solution

The fourth proportional to 174,520.80, 261,569.57 and 79,620.98 is: 119,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,520.80 : 261,569.57 = 79,620.98 : x
  2. Step 2: Convert to fraction form
    174,520.80/261,569.57 = 79,620.98/x
  3. Step 3: Cross multiply
    174,520.80x = 261,569.57 × 79,620.98
  4. Step 4: Simplify right side
    174,520.80x = 20,826,423,795.63
  5. Step 5: Solve for x
    x = 20,826,423,795.63/174,520.80
  6. Step 6: Final answer
    x = 119,334.91

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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.