Home / 109,713.96-164,177.28-92,130.48

Finding the Fourth Proportional to 109,713.96, 164,177.28 and 92,130.48

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Solution

The fourth proportional to 109,713.96, 164,177.28 and 92,130.48 is: 137,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,713.96 : 164,177.28 = 92,130.48 : x
  2. Step 2: Convert to fraction form
    109,713.96/164,177.28 = 92,130.48/x
  3. Step 3: Cross multiply
    109,713.96x = 164,177.28 × 92,130.48
  4. Step 4: Simplify right side
    109,713.96x = 15,125,731,611.49
  5. Step 5: Solve for x
    x = 15,125,731,611.49/109,713.96
  6. Step 6: Final answer
    x = 137,865.15

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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.