Home / 423,183.26-634,772.10-107,637.50

Finding the Fourth Proportional to 423,183.26, 634,772.10 and 107,637.50

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Solution

The fourth proportional to 423,183.26, 634,772.10 and 107,637.50 is: 161,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,183.26 : 634,772.10 = 107,637.50 : x
  2. Step 2: Convert to fraction form
    423,183.26/634,772.10 = 107,637.50/x
  3. Step 3: Cross multiply
    423,183.26x = 634,772.10 × 107,637.50
  4. Step 4: Simplify right side
    423,183.26x = 68,325,281,913.75
  5. Step 5: Solve for x
    x = 68,325,281,913.75/423,183.26
  6. Step 6: Final answer
    x = 161,455.54

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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.