Home / 110,258.40-165,470.81-80,752.73

Finding the Fourth Proportional to 110,258.40, 165,470.81 and 80,752.73

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Solution

The fourth proportional to 110,258.40, 165,470.81 and 80,752.73 is: 121,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,258.40 : 165,470.81 = 80,752.73 : x
  2. Step 2: Convert to fraction form
    110,258.40/165,470.81 = 80,752.73/x
  3. Step 3: Cross multiply
    110,258.40x = 165,470.81 × 80,752.73
  4. Step 4: Simplify right side
    110,258.40x = 13,362,218,411.69
  5. Step 5: Solve for x
    x = 13,362,218,411.69/110,258.40
  6. Step 6: Final answer
    x = 121,190.03

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1.5x scale

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.