Home / 193,921.12-290,881.68-60,812.10

Finding the Fourth Proportional to 193,921.12, 290,881.68 and 60,812.10

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Solution

The fourth proportional to 193,921.12, 290,881.68 and 60,812.10 is: 91,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,921.12 : 290,881.68 = 60,812.10 : x
  2. Step 2: Convert to fraction form
    193,921.12/290,881.68 = 60,812.10/x
  3. Step 3: Cross multiply
    193,921.12x = 290,881.68 × 60,812.10
  4. Step 4: Simplify right side
    193,921.12x = 17,689,125,926.35
  5. Step 5: Solve for x
    x = 17,689,125,926.35/193,921.12
  6. Step 6: Final answer
    x = 91,218.15

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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.