Home / 154,933.75-232,498.92-66,187.90

Finding the Fourth Proportional to 154,933.75, 232,498.92 and 66,187.90

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Solution

The fourth proportional to 154,933.75, 232,498.92 and 66,187.90 is: 99,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,933.75 : 232,498.92 = 66,187.90 : x
  2. Step 2: Convert to fraction form
    154,933.75/232,498.92 = 66,187.90/x
  3. Step 3: Cross multiply
    154,933.75x = 232,498.92 × 66,187.90
  4. Step 4: Simplify right side
    154,933.75x = 15,388,615,267.07
  5. Step 5: Solve for x
    x = 15,388,615,267.07/154,933.75
  6. Step 6: Final answer
    x = 99,323.84

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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.