Home / 131,570.41-197,309.04-42,807.37

Finding the Fourth Proportional to 131,570.41, 197,309.04 and 42,807.37

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Solution

The fourth proportional to 131,570.41, 197,309.04 and 42,807.37 is: 64,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,570.41 : 197,309.04 = 42,807.37 : x
  2. Step 2: Convert to fraction form
    131,570.41/197,309.04 = 42,807.37/x
  3. Step 3: Cross multiply
    131,570.41x = 197,309.04 × 42,807.37
  4. Step 4: Simplify right side
    131,570.41x = 8,446,281,079.62
  5. Step 5: Solve for x
    x = 8,446,281,079.62/131,570.41
  6. Step 6: Final answer
    x = 64,195.90

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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.