Home / 105,947.32-146,200.08-58,202.68

Finding the Fourth Proportional to 105,947.32, 146,200.08 and 58,202.68

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Solution

The fourth proportional to 105,947.32, 146,200.08 and 58,202.68 is: 80,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,947.32 : 146,200.08 = 58,202.68 : x
  2. Step 2: Convert to fraction form
    105,947.32/146,200.08 = 58,202.68/x
  3. Step 3: Cross multiply
    105,947.32x = 146,200.08 × 58,202.68
  4. Step 4: Simplify right side
    105,947.32x = 8,509,236,472.21
  5. Step 5: Solve for x
    x = 8,509,236,472.21/105,947.32
  6. Step 6: Final answer
    x = 80,315.73

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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.