Home / 193,607.04-290,335.68-67,209.60

Finding the Fourth Proportional to 193,607.04, 290,335.68 and 67,209.60

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Solution

The fourth proportional to 193,607.04, 290,335.68 and 67,209.60 is: 100,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,607.04 : 290,335.68 = 67,209.60 : x
  2. Step 2: Convert to fraction form
    193,607.04/290,335.68 = 67,209.60/x
  3. Step 3: Cross multiply
    193,607.04x = 290,335.68 × 67,209.60
  4. Step 4: Simplify right side
    193,607.04x = 19,513,344,918.53
  5. Step 5: Solve for x
    x = 19,513,344,918.53/193,607.04
  6. Step 6: Final answer
    x = 100,788.41

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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.