Home / 317,934.73-438,748.68-181,968.13

Finding the Fourth Proportional to 317,934.73, 438,748.68 and 181,968.13

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Solution

The fourth proportional to 317,934.73, 438,748.68 and 181,968.13 is: 251,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,934.73 : 438,748.68 = 181,968.13 : x
  2. Step 2: Convert to fraction form
    317,934.73/438,748.68 = 181,968.13/x
  3. Step 3: Cross multiply
    317,934.73x = 438,748.68 × 181,968.13
  4. Step 4: Simplify right side
    317,934.73x = 79,838,276,839.57
  5. Step 5: Solve for x
    x = 79,838,276,839.57/317,934.73
  6. Step 6: Final answer
    x = 251,115.31

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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.