Home / 239,108.12-358,804.40-120,791.44

Finding the Fourth Proportional to 239,108.12, 358,804.40 and 120,791.44

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Solution

The fourth proportional to 239,108.12, 358,804.40 and 120,791.44 is: 181,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,108.12 : 358,804.40 = 120,791.44 : x
  2. Step 2: Convert to fraction form
    239,108.12/358,804.40 = 120,791.44/x
  3. Step 3: Cross multiply
    239,108.12x = 358,804.40 × 120,791.44
  4. Step 4: Simplify right side
    239,108.12x = 43,340,500,154.34
  5. Step 5: Solve for x
    x = 43,340,500,154.34/239,108.12
  6. Step 6: Final answer
    x = 181,259.01

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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.