Home / 109,653.10-164,545.26-100,730.14

Finding the Fourth Proportional to 109,653.10, 164,545.26 and 100,730.14

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Solution

The fourth proportional to 109,653.10, 164,545.26 and 100,730.14 is: 151,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,653.10 : 164,545.26 = 100,730.14 : x
  2. Step 2: Convert to fraction form
    109,653.10/164,545.26 = 100,730.14/x
  3. Step 3: Cross multiply
    109,653.10x = 164,545.26 × 100,730.14
  4. Step 4: Simplify right side
    109,653.10x = 16,574,667,076.14
  5. Step 5: Solve for x
    x = 16,574,667,076.14/109,653.10
  6. Step 6: Final answer
    x = 151,155.48

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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.