Home / 131,187.30-196,782.12-37,693.02

Finding the Fourth Proportional to 131,187.30, 196,782.12 and 37,693.02

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Solution

The fourth proportional to 131,187.30, 196,782.12 and 37,693.02 is: 56,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,187.30 : 196,782.12 = 37,693.02 : x
  2. Step 2: Convert to fraction form
    131,187.30/196,782.12 = 37,693.02/x
  3. Step 3: Cross multiply
    131,187.30x = 196,782.12 × 37,693.02
  4. Step 4: Simplify right side
    131,187.30x = 7,417,312,384.80
  5. Step 5: Solve for x
    x = 7,417,312,384.80/131,187.30
  6. Step 6: Final answer
    x = 56,539.87

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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.