Home / 214,642.04-321,963.08-74,400.66

Finding the Fourth Proportional to 214,642.04, 321,963.08 and 74,400.66

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Solution

The fourth proportional to 214,642.04, 321,963.08 and 74,400.66 is: 111,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,642.04 : 321,963.08 = 74,400.66 : x
  2. Step 2: Convert to fraction form
    214,642.04/321,963.08 = 74,400.66/x
  3. Step 3: Cross multiply
    214,642.04x = 321,963.08 × 74,400.66
  4. Step 4: Simplify right side
    214,642.04x = 23,954,265,275.63
  5. Step 5: Solve for x
    x = 23,954,265,275.63/214,642.04
  6. Step 6: Final answer
    x = 111,601.00

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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.