Home / 109,939.40-164,417.02-92,224.70

Finding the Fourth Proportional to 109,939.40, 164,417.02 and 92,224.70

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Solution

The fourth proportional to 109,939.40, 164,417.02 and 92,224.70 is: 137,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,939.40 : 164,417.02 = 92,224.70 : x
  2. Step 2: Convert to fraction form
    109,939.40/164,417.02 = 92,224.70/x
  3. Step 3: Cross multiply
    109,939.40x = 164,417.02 × 92,224.70
  4. Step 4: Simplify right side
    109,939.40x = 15,163,310,344.39
  5. Step 5: Solve for x
    x = 15,163,310,344.39/109,939.40
  6. Step 6: Final answer
    x = 137,924.26

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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.