Home / 165,412.88-228,218.28-93,787.28

Finding the Fourth Proportional to 165,412.88, 228,218.28 and 93,787.28

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Solution

The fourth proportional to 165,412.88, 228,218.28 and 93,787.28 is: 129,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,412.88 : 228,218.28 = 93,787.28 : x
  2. Step 2: Convert to fraction form
    165,412.88/228,218.28 = 93,787.28/x
  3. Step 3: Cross multiply
    165,412.88x = 228,218.28 × 93,787.28
  4. Step 4: Simplify right side
    165,412.88x = 21,403,971,727.48
  5. Step 5: Solve for x
    x = 21,403,971,727.48/165,412.88
  6. Step 6: Final answer
    x = 129,397.25

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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.