Home / 105,908.04-146,154.78-58,161.24

Finding the Fourth Proportional to 105,908.04, 146,154.78 and 58,161.24

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Solution

The fourth proportional to 105,908.04, 146,154.78 and 58,161.24 is: 80,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,908.04 : 146,154.78 = 58,161.24 : x
  2. Step 2: Convert to fraction form
    105,908.04/146,154.78 = 58,161.24/x
  3. Step 3: Cross multiply
    105,908.04x = 146,154.78 × 58,161.24
  4. Step 4: Simplify right side
    105,908.04x = 8,500,543,236.73
  5. Step 5: Solve for x
    x = 8,500,543,236.73/105,908.04
  6. Step 6: Final answer
    x = 80,263.44

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1.5x scale

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.