Home / 109,521.14-164,544.14-70,155.14

Finding the Fourth Proportional to 109,521.14, 164,544.14 and 70,155.14

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Solution

The fourth proportional to 109,521.14, 164,544.14 and 70,155.14 is: 105,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,521.14 : 164,544.14 = 70,155.14 : x
  2. Step 2: Convert to fraction form
    109,521.14/164,544.14 = 70,155.14/x
  3. Step 3: Cross multiply
    109,521.14x = 164,544.14 × 70,155.14
  4. Step 4: Simplify right side
    109,521.14x = 11,543,617,177.88
  5. Step 5: Solve for x
    x = 11,543,617,177.88/109,521.14
  6. Step 6: Final answer
    x = 105,400.81

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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.