Home / 119,885.09-179,861.35-52,423.06

Finding the Fourth Proportional to 119,885.09, 179,861.35 and 52,423.06

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Solution

The fourth proportional to 119,885.09, 179,861.35 and 52,423.06 is: 78,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,885.09 : 179,861.35 = 52,423.06 : x
  2. Step 2: Convert to fraction form
    119,885.09/179,861.35 = 52,423.06/x
  3. Step 3: Cross multiply
    119,885.09x = 179,861.35 × 52,423.06
  4. Step 4: Simplify right side
    119,885.09x = 9,428,882,342.73
  5. Step 5: Solve for x
    x = 9,428,882,342.73/119,885.09
  6. Step 6: Final answer
    x = 78,649.33

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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.