Home / 165,274.88-228,081.15-89,823.38

Finding the Fourth Proportional to 165,274.88, 228,081.15 and 89,823.38

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Solution

The fourth proportional to 165,274.88, 228,081.15 and 89,823.38 is: 123,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,274.88 : 228,081.15 = 89,823.38 : x
  2. Step 2: Convert to fraction form
    165,274.88/228,081.15 = 89,823.38/x
  3. Step 3: Cross multiply
    165,274.88x = 228,081.15 × 89,823.38
  4. Step 4: Simplify right side
    165,274.88x = 20,487,018,666.88
  5. Step 5: Solve for x
    x = 20,487,018,666.88/165,274.88
  6. Step 6: Final answer
    x = 123,957.25

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1.5x scale

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.