Home / 314,964.11-434,661.41-179,003.79

Finding the Fourth Proportional to 314,964.11, 434,661.41 and 179,003.79

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Solution

The fourth proportional to 314,964.11, 434,661.41 and 179,003.79 is: 247,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,964.11 : 434,661.41 = 179,003.79 : x
  2. Step 2: Convert to fraction form
    314,964.11/434,661.41 = 179,003.79/x
  3. Step 3: Cross multiply
    314,964.11x = 434,661.41 × 179,003.79
  4. Step 4: Simplify right side
    314,964.11x = 77,806,038,861.73
  5. Step 5: Solve for x
    x = 77,806,038,861.73/314,964.11
  6. Step 6: Final answer
    x = 247,031.45

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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.