Home / 131,909.84-197,862-32,070.56

Finding the Fourth Proportional to 131,909.84, 197,862 and 32,070.56

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Solution

The fourth proportional to 131,909.84, 197,862 and 32,070.56 is: 48,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,909.84 : 197,862 = 32,070.56 : x
  2. Step 2: Convert to fraction form
    131,909.84/197,862 = 32,070.56/x
  3. Step 3: Cross multiply
    131,909.84x = 197,862 × 32,070.56
  4. Step 4: Simplify right side
    131,909.84x = 6,345,545,142.72
  5. Step 5: Solve for x
    x = 6,345,545,142.72/131,909.84
  6. Step 6: Final answer
    x = 48,105.17

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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.