Home / 130,682.88-196,047.36-60,641.28

Finding the Fourth Proportional to 130,682.88, 196,047.36 and 60,641.28

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Solution

The fourth proportional to 130,682.88, 196,047.36 and 60,641.28 is: 90,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,682.88 : 196,047.36 = 60,641.28 : x
  2. Step 2: Convert to fraction form
    130,682.88/196,047.36 = 60,641.28/x
  3. Step 3: Cross multiply
    130,682.88x = 196,047.36 × 60,641.28
  4. Step 4: Simplify right side
    130,682.88x = 11,888,562,851.02
  5. Step 5: Solve for x
    x = 11,888,562,851.02/130,682.88
  6. Step 6: Final answer
    x = 90,972.61

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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.