Home / 105,320.70-157,976.19-26,433.18

Finding the Fourth Proportional to 105,320.70, 157,976.19 and 26,433.18

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Solution

The fourth proportional to 105,320.70, 157,976.19 and 26,433.18 is: 39,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,320.70 : 157,976.19 = 26,433.18 : x
  2. Step 2: Convert to fraction form
    105,320.70/157,976.19 = 26,433.18/x
  3. Step 3: Cross multiply
    105,320.70x = 157,976.19 × 26,433.18
  4. Step 4: Simplify right side
    105,320.70x = 4,175,813,065.98
  5. Step 5: Solve for x
    x = 4,175,813,065.98/105,320.70
  6. Step 6: Final answer
    x = 39,648.55

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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.