Home / 137,742.80-206,586.99-37,877.22

Finding the Fourth Proportional to 137,742.80, 206,586.99 and 37,877.22

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Solution

The fourth proportional to 137,742.80, 206,586.99 and 37,877.22 is: 56,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,742.80 : 206,586.99 = 37,877.22 : x
  2. Step 2: Convert to fraction form
    137,742.80/206,586.99 = 37,877.22/x
  3. Step 3: Cross multiply
    137,742.80x = 206,586.99 × 37,877.22
  4. Step 4: Simplify right side
    137,742.80x = 7,824,940,869.37
  5. Step 5: Solve for x
    x = 7,824,940,869.37/137,742.80
  6. Step 6: Final answer
    x = 56,808.35

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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.