Home / 154,048.80-230,561.20-111,808.80

Finding the Fourth Proportional to 154,048.80, 230,561.20 and 111,808.80

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Solution

The fourth proportional to 154,048.80, 230,561.20 and 111,808.80 is: 167,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,048.80 : 230,561.20 = 111,808.80 : x
  2. Step 2: Convert to fraction form
    154,048.80/230,561.20 = 111,808.80/x
  3. Step 3: Cross multiply
    154,048.80x = 230,561.20 × 111,808.80
  4. Step 4: Simplify right side
    154,048.80x = 25,778,771,098.56
  5. Step 5: Solve for x
    x = 25,778,771,098.56/154,048.80
  6. Step 6: Final answer
    x = 167,341.59

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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.