Home / 311,907.04-467,860.59-122,456.75

Finding the Fourth Proportional to 311,907.04, 467,860.59 and 122,456.75

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Solution

The fourth proportional to 311,907.04, 467,860.59 and 122,456.75 is: 183,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,907.04 : 467,860.59 = 122,456.75 : x
  2. Step 2: Convert to fraction form
    311,907.04/467,860.59 = 122,456.75/x
  3. Step 3: Cross multiply
    311,907.04x = 467,860.59 × 122,456.75
  4. Step 4: Simplify right side
    311,907.04x = 57,292,684,965.18
  5. Step 5: Solve for x
    x = 57,292,684,965.18/311,907.04
  6. Step 6: Final answer
    x = 183,685.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.