Home / 105,648.99-158,076.06-74,120.55

Finding the Fourth Proportional to 105,648.99, 158,076.06 and 74,120.55

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Solution

The fourth proportional to 105,648.99, 158,076.06 and 74,120.55 is: 110,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,648.99 : 158,076.06 = 74,120.55 : x
  2. Step 2: Convert to fraction form
    105,648.99/158,076.06 = 74,120.55/x
  3. Step 3: Cross multiply
    105,648.99x = 158,076.06 × 74,120.55
  4. Step 4: Simplify right side
    105,648.99x = 11,716,684,509.03
  5. Step 5: Solve for x
    x = 11,716,684,509.03/105,648.99
  6. Step 6: Final answer
    x = 110,902.00

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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.