Home / 104,895.65-157,343.63-80,076.62

Finding the Fourth Proportional to 104,895.65, 157,343.63 and 80,076.62

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Solution

The fourth proportional to 104,895.65, 157,343.63 and 80,076.62 is: 120,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,895.65 : 157,343.63 = 80,076.62 : x
  2. Step 2: Convert to fraction form
    104,895.65/157,343.63 = 80,076.62/x
  3. Step 3: Cross multiply
    104,895.65x = 157,343.63 × 80,076.62
  4. Step 4: Simplify right side
    104,895.65x = 12,599,544,881.83
  5. Step 5: Solve for x
    x = 12,599,544,881.83/104,895.65
  6. Step 6: Final answer
    x = 120,115.04

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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.