Home / 131,386.98-197,080.56-36,617.43

Finding the Fourth Proportional to 131,386.98, 197,080.56 and 36,617.43

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Solution

The fourth proportional to 131,386.98, 197,080.56 and 36,617.43 is: 54,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,386.98 : 197,080.56 = 36,617.43 : x
  2. Step 2: Convert to fraction form
    131,386.98/197,080.56 = 36,617.43/x
  3. Step 3: Cross multiply
    131,386.98x = 197,080.56 × 36,617.43
  4. Step 4: Simplify right side
    131,386.98x = 7,216,583,610.16
  5. Step 5: Solve for x
    x = 7,216,583,610.16/131,386.98
  6. Step 6: Final answer
    x = 54,926.17

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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.