Home / 202,321.17-279,199.71-111,677.04

Finding the Fourth Proportional to 202,321.17, 279,199.71 and 111,677.04

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Solution

The fourth proportional to 202,321.17, 279,199.71 and 111,677.04 is: 154,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,321.17 : 279,199.71 = 111,677.04 : x
  2. Step 2: Convert to fraction form
    202,321.17/279,199.71 = 111,677.04/x
  3. Step 3: Cross multiply
    202,321.17x = 279,199.71 × 111,677.04
  4. Step 4: Simplify right side
    202,321.17x = 31,180,197,181.66
  5. Step 5: Solve for x
    x = 31,180,197,181.66/202,321.17
  6. Step 6: Final answer
    x = 154,112.38

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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.