Home / 130,436.56-195,648.09-36,942.58

Finding the Fourth Proportional to 130,436.56, 195,648.09 and 36,942.58

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Solution

The fourth proportional to 130,436.56, 195,648.09 and 36,942.58 is: 55,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,436.56 : 195,648.09 = 36,942.58 : x
  2. Step 2: Convert to fraction form
    130,436.56/195,648.09 = 36,942.58/x
  3. Step 3: Cross multiply
    130,436.56x = 195,648.09 × 36,942.58
  4. Step 4: Simplify right side
    130,436.56x = 7,227,745,216.67
  5. Step 5: Solve for x
    x = 7,227,745,216.67/130,436.56
  6. Step 6: Final answer
    x = 55,411.96

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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.