Home / 202,321.18-279,203.24-111,677.16

Finding the Fourth Proportional to 202,321.18, 279,203.24 and 111,677.16

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Solution

The fourth proportional to 202,321.18, 279,203.24 and 111,677.16 is: 154,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,321.18 : 279,203.24 = 111,677.16 : x
  2. Step 2: Convert to fraction form
    202,321.18/279,203.24 = 111,677.16/x
  3. Step 3: Cross multiply
    202,321.18x = 279,203.24 × 111,677.16
  4. Step 4: Simplify right side
    202,321.18x = 31,180,625,813.41
  5. Step 5: Solve for x
    x = 31,180,625,813.41/202,321.18
  6. Step 6: Final answer
    x = 154,114.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.