Home / 130,740.28-196,193.34-55,860.98

Finding the Fourth Proportional to 130,740.28, 196,193.34 and 55,860.98

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Solution

The fourth proportional to 130,740.28, 196,193.34 and 55,860.98 is: 83,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,740.28 : 196,193.34 = 55,860.98 : x
  2. Step 2: Convert to fraction form
    130,740.28/196,193.34 = 55,860.98/x
  3. Step 3: Cross multiply
    130,740.28x = 196,193.34 × 55,860.98
  4. Step 4: Simplify right side
    130,740.28x = 10,959,551,260.91
  5. Step 5: Solve for x
    x = 10,959,551,260.91/130,740.28
  6. Step 6: Final answer
    x = 83,826.89

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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.