Home / 137,715.80-206,561.55-37,867.10

Finding the Fourth Proportional to 137,715.80, 206,561.55 and 37,867.10

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Solution

The fourth proportional to 137,715.80, 206,561.55 and 37,867.10 is: 56,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,715.80 : 206,561.55 = 37,867.10 : x
  2. Step 2: Convert to fraction form
    137,715.80/206,561.55 = 37,867.10/x
  3. Step 3: Cross multiply
    137,715.80x = 206,561.55 × 37,867.10
  4. Step 4: Simplify right side
    137,715.80x = 7,821,886,870.01
  5. Step 5: Solve for x
    x = 7,821,886,870.01/137,715.80
  6. Step 6: Final answer
    x = 56,797.31

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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.