Home / 161,664.36-223,081.80-93,684

Finding the Fourth Proportional to 161,664.36, 223,081.80 and 93,684

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Solution

The fourth proportional to 161,664.36, 223,081.80 and 93,684 is: 129,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,664.36 : 223,081.80 = 93,684 : x
  2. Step 2: Convert to fraction form
    161,664.36/223,081.80 = 93,684/x
  3. Step 3: Cross multiply
    161,664.36x = 223,081.80 × 93,684
  4. Step 4: Simplify right side
    161,664.36x = 20,899,195,351.20
  5. Step 5: Solve for x
    x = 20,899,195,351.20/161,664.36
  6. Step 6: Final answer
    x = 129,275.22

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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.