Home / 119,733.81-179,670.74-66,470.64

Finding the Fourth Proportional to 119,733.81, 179,670.74 and 66,470.64

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Solution

The fourth proportional to 119,733.81, 179,670.74 and 66,470.64 is: 99,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.81 : 179,670.74 = 66,470.64 : x
  2. Step 2: Convert to fraction form
    119,733.81/179,670.74 = 66,470.64/x
  3. Step 3: Cross multiply
    119,733.81x = 179,670.74 × 66,470.64
  4. Step 4: Simplify right side
    119,733.81x = 11,942,828,744.72
  5. Step 5: Solve for x
    x = 11,942,828,744.72/119,733.81
  6. Step 6: Final answer
    x = 99,744.83

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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.