Home / 317,982.10-438,822.24-174,744.54

Finding the Fourth Proportional to 317,982.10, 438,822.24 and 174,744.54

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Solution

The fourth proportional to 317,982.10, 438,822.24 and 174,744.54 is: 241,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,982.10 : 438,822.24 = 174,744.54 : x
  2. Step 2: Convert to fraction form
    317,982.10/438,822.24 = 174,744.54/x
  3. Step 3: Cross multiply
    317,982.10x = 438,822.24 × 174,744.54
  4. Step 4: Simplify right side
    317,982.10x = 76,681,788,276.46
  5. Step 5: Solve for x
    x = 76,681,788,276.46/317,982.10
  6. Step 6: Final answer
    x = 241,151.27

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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.