Home / 146,947.72-202,789.84-86,518.48

Finding the Fourth Proportional to 146,947.72, 202,789.84 and 86,518.48

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Solution

The fourth proportional to 146,947.72, 202,789.84 and 86,518.48 is: 119,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,947.72 : 202,789.84 = 86,518.48 : x
  2. Step 2: Convert to fraction form
    146,947.72/202,789.84 = 86,518.48/x
  3. Step 3: Cross multiply
    146,947.72x = 202,789.84 × 86,518.48
  4. Step 4: Simplify right side
    146,947.72x = 17,545,068,716.24
  5. Step 5: Solve for x
    x = 17,545,068,716.24/146,947.72
  6. Step 6: Final answer
    x = 119,396.67

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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.