Home / 174,821.10-262,231.65-155,121.90

Finding the Fourth Proportional to 174,821.10, 262,231.65 and 155,121.90

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Solution

The fourth proportional to 174,821.10, 262,231.65 and 155,121.90 is: 232,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,821.10 : 262,231.65 = 155,121.90 : x
  2. Step 2: Convert to fraction form
    174,821.10/262,231.65 = 155,121.90/x
  3. Step 3: Cross multiply
    174,821.10x = 262,231.65 × 155,121.90
  4. Step 4: Simplify right side
    174,821.10x = 40,677,871,788.14
  5. Step 5: Solve for x
    x = 40,677,871,788.14/174,821.10
  6. Step 6: Final answer
    x = 232,682.85

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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.