Home / 154,470.42-213,059.07-141,764.61

Finding the Fourth Proportional to 154,470.42, 213,059.07 and 141,764.61

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Solution

The fourth proportional to 154,470.42, 213,059.07 and 141,764.61 is: 195,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,470.42 : 213,059.07 = 141,764.61 : x
  2. Step 2: Convert to fraction form
    154,470.42/213,059.07 = 141,764.61/x
  3. Step 3: Cross multiply
    154,470.42x = 213,059.07 × 141,764.61
  4. Step 4: Simplify right side
    154,470.42x = 30,204,235,965.51
  5. Step 5: Solve for x
    x = 30,204,235,965.51/154,470.42
  6. Step 6: Final answer
    x = 195,534.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.