Home / 202,238.47-303,411.17-69,118.21

Finding the Fourth Proportional to 202,238.47, 303,411.17 and 69,118.21

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Solution

The fourth proportional to 202,238.47, 303,411.17 and 69,118.21 is: 103,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,238.47 : 303,411.17 = 69,118.21 : x
  2. Step 2: Convert to fraction form
    202,238.47/303,411.17 = 69,118.21/x
  3. Step 3: Cross multiply
    202,238.47x = 303,411.17 × 69,118.21
  4. Step 4: Simplify right side
    202,238.47x = 20,971,236,964.41
  5. Step 5: Solve for x
    x = 20,971,236,964.41/202,238.47
  6. Step 6: Final answer
    x = 103,695.59

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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.