Home / 111,740.02-154,188.30-63,990.52

Finding the Fourth Proportional to 111,740.02, 154,188.30 and 63,990.52

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Solution

The fourth proportional to 111,740.02, 154,188.30 and 63,990.52 is: 88,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,740.02 : 154,188.30 = 63,990.52 : x
  2. Step 2: Convert to fraction form
    111,740.02/154,188.30 = 63,990.52/x
  3. Step 3: Cross multiply
    111,740.02x = 154,188.30 × 63,990.52
  4. Step 4: Simplify right side
    111,740.02x = 9,866,589,494.92
  5. Step 5: Solve for x
    x = 9,866,589,494.92/111,740.02
  6. Step 6: Final answer
    x = 88,299.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.