Home / 134,666.66-202,125-68,153.78

Finding the Fourth Proportional to 134,666.66, 202,125 and 68,153.78

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Solution

The fourth proportional to 134,666.66, 202,125 and 68,153.78 is: 102,293.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.66 : 202,125 = 68,153.78 : x
  2. Step 2: Convert to fraction form
    134,666.66/202,125 = 68,153.78/x
  3. Step 3: Cross multiply
    134,666.66x = 202,125 × 68,153.78
  4. Step 4: Simplify right side
    134,666.66x = 13,775,582,782.50
  5. Step 5: Solve for x
    x = 13,775,582,782.50/134,666.66
  6. Step 6: Final answer
    x = 102,293.94

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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.