Home / 317,564.02-438,236.62-174,326.50

Finding the Fourth Proportional to 317,564.02, 438,236.62 and 174,326.50

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Solution

The fourth proportional to 317,564.02, 438,236.62 and 174,326.50 is: 240,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,564.02 : 438,236.62 = 174,326.50 : x
  2. Step 2: Convert to fraction form
    317,564.02/438,236.62 = 174,326.50/x
  3. Step 3: Cross multiply
    317,564.02x = 438,236.62 × 174,326.50
  4. Step 4: Simplify right side
    317,564.02x = 76,396,256,136.43
  5. Step 5: Solve for x
    x = 76,396,256,136.43/317,564.02
  6. Step 6: Final answer
    x = 240,569.62

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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.