Home / 276,998.25-382,192.48-168,100.12

Finding the Fourth Proportional to 276,998.25, 382,192.48 and 168,100.12

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Solution

The fourth proportional to 276,998.25, 382,192.48 and 168,100.12 is: 231,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,998.25 : 382,192.48 = 168,100.12 : x
  2. Step 2: Convert to fraction form
    276,998.25/382,192.48 = 168,100.12/x
  3. Step 3: Cross multiply
    276,998.25x = 382,192.48 × 168,100.12
  4. Step 4: Simplify right side
    276,998.25x = 64,246,601,751.10
  5. Step 5: Solve for x
    x = 64,246,601,751.10/276,998.25
  6. Step 6: Final answer
    x = 231,938.66

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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.