Home / 109,935.40-164,411.02-92,220.70

Finding the Fourth Proportional to 109,935.40, 164,411.02 and 92,220.70

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Solution

The fourth proportional to 109,935.40, 164,411.02 and 92,220.70 is: 137,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,935.40 : 164,411.02 = 92,220.70 : x
  2. Step 2: Convert to fraction form
    109,935.40/164,411.02 = 92,220.70/x
  3. Step 3: Cross multiply
    109,935.40x = 164,411.02 × 92,220.70
  4. Step 4: Simplify right side
    109,935.40x = 15,162,099,352.11
  5. Step 5: Solve for x
    x = 15,162,099,352.11/109,935.40
  6. Step 6: Final answer
    x = 137,918.26

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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.