Home / 146,719.83-202,474.21-86,293.02

Finding the Fourth Proportional to 146,719.83, 202,474.21 and 86,293.02

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Solution

The fourth proportional to 146,719.83, 202,474.21 and 86,293.02 is: 119,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,719.83 : 202,474.21 = 86,293.02 : x
  2. Step 2: Convert to fraction form
    146,719.83/202,474.21 = 86,293.02/x
  3. Step 3: Cross multiply
    146,719.83x = 202,474.21 × 86,293.02
  4. Step 4: Simplify right side
    146,719.83x = 17,472,110,837.28
  5. Step 5: Solve for x
    x = 17,472,110,837.28/146,719.83
  6. Step 6: Final answer
    x = 119,084.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.