Home / 109,407.11-163,826.69-93,712.82

Finding the Fourth Proportional to 109,407.11, 163,826.69 and 93,712.82

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Solution

The fourth proportional to 109,407.11, 163,826.69 and 93,712.82 is: 140,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,407.11 : 163,826.69 = 93,712.82 : x
  2. Step 2: Convert to fraction form
    109,407.11/163,826.69 = 93,712.82/x
  3. Step 3: Cross multiply
    109,407.11x = 163,826.69 × 93,712.82
  4. Step 4: Simplify right side
    109,407.11x = 15,352,659,823.47
  5. Step 5: Solve for x
    x = 15,352,659,823.47/109,407.11
  6. Step 6: Final answer
    x = 140,325.99

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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.