Home / 139,175.13-208,760.27-96,441.15

Finding the Fourth Proportional to 139,175.13, 208,760.27 and 96,441.15

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Solution

The fourth proportional to 139,175.13, 208,760.27 and 96,441.15 is: 144,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,175.13 : 208,760.27 = 96,441.15 : x
  2. Step 2: Convert to fraction form
    139,175.13/208,760.27 = 96,441.15/x
  3. Step 3: Cross multiply
    139,175.13x = 208,760.27 × 96,441.15
  4. Step 4: Simplify right side
    139,175.13x = 20,133,080,030.90
  5. Step 5: Solve for x
    x = 20,133,080,030.90/139,175.13
  6. Step 6: Final answer
    x = 144,660.04

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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.