Home / 119,733.56-179,670.36-66,470.39

Finding the Fourth Proportional to 119,733.56, 179,670.36 and 66,470.39

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Solution

The fourth proportional to 119,733.56, 179,670.36 and 66,470.39 is: 99,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.56 : 179,670.36 = 66,470.39 : x
  2. Step 2: Convert to fraction form
    119,733.56/179,670.36 = 66,470.39/x
  3. Step 3: Cross multiply
    119,733.56x = 179,670.36 × 66,470.39
  4. Step 4: Simplify right side
    119,733.56x = 11,942,758,900.64
  5. Step 5: Solve for x
    x = 11,942,758,900.64/119,733.56
  6. Step 6: Final answer
    x = 99,744.46

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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.