Home / 147,087.68-220,587.54-53,571.56

Finding the Fourth Proportional to 147,087.68, 220,587.54 and 53,571.56

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Solution

The fourth proportional to 147,087.68, 220,587.54 and 53,571.56 is: 80,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,087.68 : 220,587.54 = 53,571.56 : x
  2. Step 2: Convert to fraction form
    147,087.68/220,587.54 = 53,571.56/x
  3. Step 3: Cross multiply
    147,087.68x = 220,587.54 × 53,571.56
  4. Step 4: Simplify right side
    147,087.68x = 11,817,218,634.36
  5. Step 5: Solve for x
    x = 11,817,218,634.36/147,087.68
  6. Step 6: Final answer
    x = 80,341.32

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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.