Home / 137,164.16-205,762.68-48,399.32

Finding the Fourth Proportional to 137,164.16, 205,762.68 and 48,399.32

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Solution

The fourth proportional to 137,164.16, 205,762.68 and 48,399.32 is: 72,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,164.16 : 205,762.68 = 48,399.32 : x
  2. Step 2: Convert to fraction form
    137,164.16/205,762.68 = 48,399.32/x
  3. Step 3: Cross multiply
    137,164.16x = 205,762.68 × 48,399.32
  4. Step 4: Simplify right side
    137,164.16x = 9,958,773,793.38
  5. Step 5: Solve for x
    x = 9,958,773,793.38/137,164.16
  6. Step 6: Final answer
    x = 72,604.78

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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.