Home / 147,053.68-220,532.22-47,190.20

Finding the Fourth Proportional to 147,053.68, 220,532.22 and 47,190.20

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Solution

The fourth proportional to 147,053.68, 220,532.22 and 47,190.20 is: 70,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053.68 : 220,532.22 = 47,190.20 : x
  2. Step 2: Convert to fraction form
    147,053.68/220,532.22 = 47,190.20/x
  3. Step 3: Cross multiply
    147,053.68x = 220,532.22 × 47,190.20
  4. Step 4: Simplify right side
    147,053.68x = 10,406,958,465.58
  5. Step 5: Solve for x
    x = 10,406,958,465.58/147,053.68
  6. Step 6: Final answer
    x = 70,769.79

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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.