Home / 147,222.20-220,833.38-47,382.40

Finding the Fourth Proportional to 147,222.20, 220,833.38 and 47,382.40

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Solution

The fourth proportional to 147,222.20, 220,833.38 and 47,382.40 is: 71,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,222.20 : 220,833.38 = 47,382.40 : x
  2. Step 2: Convert to fraction form
    147,222.20/220,833.38 = 47,382.40/x
  3. Step 3: Cross multiply
    147,222.20x = 220,833.38 × 47,382.40
  4. Step 4: Simplify right side
    147,222.20x = 10,463,615,544.51
  5. Step 5: Solve for x
    x = 10,463,615,544.51/147,222.20
  6. Step 6: Final answer
    x = 71,073.63

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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.