Home / 317,576.39-438,257.27-174,337.61

Finding the Fourth Proportional to 317,576.39, 438,257.27 and 174,337.61

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Solution

The fourth proportional to 317,576.39, 438,257.27 and 174,337.61 is: 240,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,576.39 : 438,257.27 = 174,337.61 : x
  2. Step 2: Convert to fraction form
    317,576.39/438,257.27 = 174,337.61/x
  3. Step 3: Cross multiply
    317,576.39x = 438,257.27 × 174,337.61
  4. Step 4: Simplify right side
    317,576.39x = 76,404,724,145.24
  5. Step 5: Solve for x
    x = 76,404,724,145.24/317,576.39
  6. Step 6: Final answer
    x = 240,586.92

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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.