Home / 146,723.71-202,479.56-86,296.90

Finding the Fourth Proportional to 146,723.71, 202,479.56 and 86,296.90

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Solution

The fourth proportional to 146,723.71, 202,479.56 and 86,296.90 is: 119,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,723.71 : 202,479.56 = 86,296.90 : x
  2. Step 2: Convert to fraction form
    146,723.71/202,479.56 = 86,296.90/x
  3. Step 3: Cross multiply
    146,723.71x = 202,479.56 × 86,296.90
  4. Step 4: Simplify right side
    146,723.71x = 17,473,356,897.48
  5. Step 5: Solve for x
    x = 17,473,356,897.48/146,723.71
  6. Step 6: Final answer
    x = 119,090.21

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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.