Home / 105,816.35-146,028.36-58,074.14

Finding the Fourth Proportional to 105,816.35, 146,028.36 and 58,074.14

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Solution

The fourth proportional to 105,816.35, 146,028.36 and 58,074.14 is: 80,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,816.35 : 146,028.36 = 58,074.14 : x
  2. Step 2: Convert to fraction form
    105,816.35/146,028.36 = 58,074.14/x
  3. Step 3: Cross multiply
    105,816.35x = 146,028.36 × 58,074.14
  4. Step 4: Simplify right side
    105,816.35x = 8,480,472,005.46
  5. Step 5: Solve for x
    x = 8,480,472,005.46/105,816.35
  6. Step 6: Final answer
    x = 80,143.30

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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.