Home / 317,862.46-438,650.36-174,631.73

Finding the Fourth Proportional to 317,862.46, 438,650.36 and 174,631.73

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Solution

The fourth proportional to 317,862.46, 438,650.36 and 174,631.73 is: 240,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,862.46 : 438,650.36 = 174,631.73 : x
  2. Step 2: Convert to fraction form
    317,862.46/438,650.36 = 174,631.73/x
  3. Step 3: Cross multiply
    317,862.46x = 438,650.36 × 174,631.73
  4. Step 4: Simplify right side
    317,862.46x = 76,602,271,778.94
  5. Step 5: Solve for x
    x = 76,602,271,778.94/317,862.46
  6. Step 6: Final answer
    x = 240,991.88

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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.