Home / 192,881.28-266,173.56-107,998.32

Finding the Fourth Proportional to 192,881.28, 266,173.56 and 107,998.32

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Solution

The fourth proportional to 192,881.28, 266,173.56 and 107,998.32 is: 149,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,881.28 : 266,173.56 = 107,998.32 : x
  2. Step 2: Convert to fraction form
    192,881.28/266,173.56 = 107,998.32/x
  3. Step 3: Cross multiply
    192,881.28x = 266,173.56 × 107,998.32
  4. Step 4: Simplify right side
    192,881.28x = 28,746,297,308.42
  5. Step 5: Solve for x
    x = 28,746,297,308.42/192,881.28
  6. Step 6: Final answer
    x = 149,036.22

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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.