Home / 470,837.70-705,997.35-155,132.10

Finding the Fourth Proportional to 470,837.70, 705,997.35 and 155,132.10

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Solution

The fourth proportional to 470,837.70, 705,997.35 and 155,132.10 is: 232,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,837.70 : 705,997.35 = 155,132.10 : x
  2. Step 2: Convert to fraction form
    470,837.70/705,997.35 = 155,132.10/x
  3. Step 3: Cross multiply
    470,837.70x = 705,997.35 × 155,132.10
  4. Step 4: Simplify right side
    470,837.70x = 109,522,851,499.94
  5. Step 5: Solve for x
    x = 109,522,851,499.94/470,837.70
  6. Step 6: Final answer
    x = 232,612.75

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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.