Home / 137,784.96-206,678.55-37,950.66

Finding the Fourth Proportional to 137,784.96, 206,678.55 and 37,950.66

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Solution

The fourth proportional to 137,784.96, 206,678.55 and 37,950.66 is: 56,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,784.96 : 206,678.55 = 37,950.66 : x
  2. Step 2: Convert to fraction form
    137,784.96/206,678.55 = 37,950.66/x
  3. Step 3: Cross multiply
    137,784.96x = 206,678.55 × 37,950.66
  4. Step 4: Simplify right side
    137,784.96x = 7,843,587,380.34
  5. Step 5: Solve for x
    x = 7,843,587,380.34/137,784.96
  6. Step 6: Final answer
    x = 56,926.30

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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.