Home / 146,719.71-202,474.04-86,292.90

Finding the Fourth Proportional to 146,719.71, 202,474.04 and 86,292.90

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Solution

The fourth proportional to 146,719.71, 202,474.04 and 86,292.90 is: 119,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,719.71 : 202,474.04 = 86,292.90 : x
  2. Step 2: Convert to fraction form
    146,719.71/202,474.04 = 86,292.90/x
  3. Step 3: Cross multiply
    146,719.71x = 202,474.04 × 86,292.90
  4. Step 4: Simplify right side
    146,719.71x = 17,472,072,086.32
  5. Step 5: Solve for x
    x = 17,472,072,086.32/146,719.71
  6. Step 6: Final answer
    x = 119,084.70

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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.