Home / 165,261.09-228,060.30-89,809.59

Finding the Fourth Proportional to 165,261.09, 228,060.30 and 89,809.59

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Solution

The fourth proportional to 165,261.09, 228,060.30 and 89,809.59 is: 123,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,261.09 : 228,060.30 = 89,809.59 : x
  2. Step 2: Convert to fraction form
    165,261.09/228,060.30 = 89,809.59/x
  3. Step 3: Cross multiply
    165,261.09x = 228,060.30 × 89,809.59
  4. Step 4: Simplify right side
    165,261.09x = 20,482,002,038.28
  5. Step 5: Solve for x
    x = 20,482,002,038.28/165,261.09
  6. Step 6: Final answer
    x = 123,937.23

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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.