Home / 234,130.79-351,156.61-65,612.36

Finding the Fourth Proportional to 234,130.79, 351,156.61 and 65,612.36

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Solution

The fourth proportional to 234,130.79, 351,156.61 and 65,612.36 is: 98,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,130.79 : 351,156.61 = 65,612.36 : x
  2. Step 2: Convert to fraction form
    234,130.79/351,156.61 = 65,612.36/x
  3. Step 3: Cross multiply
    234,130.79x = 351,156.61 × 65,612.36
  4. Step 4: Simplify right side
    234,130.79x = 23,040,214,625.56
  5. Step 5: Solve for x
    x = 23,040,214,625.56/234,130.79
  6. Step 6: Final answer
    x = 98,407.45

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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.