Home / 106,297.20-159,138.60-64,825.20

Finding the Fourth Proportional to 106,297.20, 159,138.60 and 64,825.20

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Solution

The fourth proportional to 106,297.20, 159,138.60 and 64,825.20 is: 97,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,297.20 : 159,138.60 = 64,825.20 : x
  2. Step 2: Convert to fraction form
    106,297.20/159,138.60 = 64,825.20/x
  3. Step 3: Cross multiply
    106,297.20x = 159,138.60 × 64,825.20
  4. Step 4: Simplify right side
    106,297.20x = 10,316,191,572.72
  5. Step 5: Solve for x
    x = 10,316,191,572.72/106,297.20
  6. Step 6: Final answer
    x = 97,050.45

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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.