Home / 165,264.72-247,897.16-109,091.70

Finding the Fourth Proportional to 165,264.72, 247,897.16 and 109,091.70

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Solution

The fourth proportional to 165,264.72, 247,897.16 and 109,091.70 is: 163,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,264.72 : 247,897.16 = 109,091.70 : x
  2. Step 2: Convert to fraction form
    165,264.72/247,897.16 = 109,091.70/x
  3. Step 3: Cross multiply
    165,264.72x = 247,897.16 × 109,091.70
  4. Step 4: Simplify right side
    165,264.72x = 27,043,520,824.63
  5. Step 5: Solve for x
    x = 27,043,520,824.63/165,264.72
  6. Step 6: Final answer
    x = 163,637.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.