Home / 130,905.98-196,333.90-36,112.58

Finding the Fourth Proportional to 130,905.98, 196,333.90 and 36,112.58

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Solution

The fourth proportional to 130,905.98, 196,333.90 and 36,112.58 is: 54,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.98 : 196,333.90 = 36,112.58 : x
  2. Step 2: Convert to fraction form
    130,905.98/196,333.90 = 36,112.58/x
  3. Step 3: Cross multiply
    130,905.98x = 196,333.90 × 36,112.58
  4. Step 4: Simplify right side
    130,905.98x = 7,090,123,670.46
  5. Step 5: Solve for x
    x = 7,090,123,670.46/130,905.98
  6. Step 6: Final answer
    x = 54,161.95

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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.