Home / 317,964.69-438,782.13-174,724.56

Finding the Fourth Proportional to 317,964.69, 438,782.13 and 174,724.56

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Solution

The fourth proportional to 317,964.69, 438,782.13 and 174,724.56 is: 241,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,964.69 : 438,782.13 = 174,724.56 : x
  2. Step 2: Convert to fraction form
    317,964.69/438,782.13 = 174,724.56/x
  3. Step 3: Cross multiply
    317,964.69x = 438,782.13 × 174,724.56
  4. Step 4: Simplify right side
    317,964.69x = 76,666,014,600.11
  5. Step 5: Solve for x
    x = 76,666,014,600.11/317,964.69
  6. Step 6: Final answer
    x = 241,114.87

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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.