Home / 317,561.64-438,233.34-174,324.12

Finding the Fourth Proportional to 317,561.64, 438,233.34 and 174,324.12

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Solution

The fourth proportional to 317,561.64, 438,233.34 and 174,324.12 is: 240,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,561.64 : 438,233.34 = 174,324.12 : x
  2. Step 2: Convert to fraction form
    317,561.64/438,233.34 = 174,324.12/x
  3. Step 3: Cross multiply
    317,561.64x = 438,233.34 × 174,324.12
  4. Step 4: Simplify right side
    317,561.64x = 76,394,641,350.16
  5. Step 5: Solve for x
    x = 76,394,641,350.16/317,561.64
  6. Step 6: Final answer
    x = 240,566.34

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1.5x scale

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.