Home / 317,432.52-438,039.43-174,181.25

Finding the Fourth Proportional to 317,432.52, 438,039.43 and 174,181.25

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Solution

The fourth proportional to 317,432.52, 438,039.43 and 174,181.25 is: 240,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,432.52 : 438,039.43 = 174,181.25 : x
  2. Step 2: Convert to fraction form
    317,432.52/438,039.43 = 174,181.25/x
  3. Step 3: Cross multiply
    317,432.52x = 438,039.43 × 174,181.25
  4. Step 4: Simplify right side
    317,432.52x = 76,298,256,126.33
  5. Step 5: Solve for x
    x = 76,298,256,126.33/317,432.52
  6. Step 6: Final answer
    x = 240,360.55

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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.