Home / 190,623.20-285,837.17-100,714.19

Finding the Fourth Proportional to 190,623.20, 285,837.17 and 100,714.19

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Solution

The fourth proportional to 190,623.20, 285,837.17 and 100,714.19 is: 151,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,623.20 : 285,837.17 = 100,714.19 : x
  2. Step 2: Convert to fraction form
    190,623.20/285,837.17 = 100,714.19/x
  3. Step 3: Cross multiply
    190,623.20x = 285,837.17 × 100,714.19
  4. Step 4: Simplify right side
    190,623.20x = 28,787,857,115.69
  5. Step 5: Solve for x
    x = 28,787,857,115.69/190,623.20
  6. Step 6: Final answer
    x = 151,019.70

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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.