Home / 177,983.40-266,975.10-107,999.40

Finding the Fourth Proportional to 177,983.40, 266,975.10 and 107,999.40

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Solution

The fourth proportional to 177,983.40, 266,975.10 and 107,999.40 is: 161,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,983.40 : 266,975.10 = 107,999.40 : x
  2. Step 2: Convert to fraction form
    177,983.40/266,975.10 = 107,999.40/x
  3. Step 3: Cross multiply
    177,983.40x = 266,975.10 × 107,999.40
  4. Step 4: Simplify right side
    177,983.40x = 28,833,150,614.94
  5. Step 5: Solve for x
    x = 28,833,150,614.94/177,983.40
  6. Step 6: Final answer
    x = 161,999.10

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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.