Home / 193,838.60-290,777.10-67,459.40

Finding the Fourth Proportional to 193,838.60, 290,777.10 and 67,459.40

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Solution

The fourth proportional to 193,838.60, 290,777.10 and 67,459.40 is: 101,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,838.60 : 290,777.10 = 67,459.40 : x
  2. Step 2: Convert to fraction form
    193,838.60/290,777.10 = 67,459.40/x
  3. Step 3: Cross multiply
    193,838.60x = 290,777.10 × 67,459.40
  4. Step 4: Simplify right side
    193,838.60x = 19,615,648,699.74
  5. Step 5: Solve for x
    x = 19,615,648,699.74/193,838.60
  6. Step 6: Final answer
    x = 101,195.78

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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.