Home / 149,251.71-205,981.89-111,460.35

Finding the Fourth Proportional to 149,251.71, 205,981.89 and 111,460.35

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Solution

The fourth proportional to 149,251.71, 205,981.89 and 111,460.35 is: 153,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,251.71 : 205,981.89 = 111,460.35 : x
  2. Step 2: Convert to fraction form
    149,251.71/205,981.89 = 111,460.35/x
  3. Step 3: Cross multiply
    149,251.71x = 205,981.89 × 111,460.35
  4. Step 4: Simplify right side
    149,251.71x = 22,958,813,553.06
  5. Step 5: Solve for x
    x = 22,958,813,553.06/149,251.71
  6. Step 6: Final answer
    x = 153,826.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.