Home / 334,531.20-461,443.08-198,468.78

Finding the Fourth Proportional to 334,531.20, 461,443.08 and 198,468.78

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Solution

The fourth proportional to 334,531.20, 461,443.08 and 198,468.78 is: 273,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,531.20 : 461,443.08 = 198,468.78 : x
  2. Step 2: Convert to fraction form
    334,531.20/461,443.08 = 198,468.78/x
  3. Step 3: Cross multiply
    334,531.20x = 461,443.08 × 198,468.78
  4. Step 4: Simplify right side
    334,531.20x = 91,582,045,127.04
  5. Step 5: Solve for x
    x = 91,582,045,127.04/334,531.20
  6. Step 6: Final answer
    x = 273,762.34

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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.