Home / 165,386.66-228,233.03-89,935.16

Finding the Fourth Proportional to 165,386.66, 228,233.03 and 89,935.16

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Solution

The fourth proportional to 165,386.66, 228,233.03 and 89,935.16 is: 124,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,386.66 : 228,233.03 = 89,935.16 : x
  2. Step 2: Convert to fraction form
    165,386.66/228,233.03 = 89,935.16/x
  3. Step 3: Cross multiply
    165,386.66x = 228,233.03 × 89,935.16
  4. Step 4: Simplify right side
    165,386.66x = 20,526,172,479.49
  5. Step 5: Solve for x
    x = 20,526,172,479.49/165,386.66
  6. Step 6: Final answer
    x = 124,110.21

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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.