Home / 238,739.94-358,114.03-80,972.46

Finding the Fourth Proportional to 238,739.94, 358,114.03 and 80,972.46

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Solution

The fourth proportional to 238,739.94, 358,114.03 and 80,972.46 is: 121,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,739.94 : 358,114.03 = 80,972.46 : x
  2. Step 2: Convert to fraction form
    238,739.94/358,114.03 = 80,972.46/x
  3. Step 3: Cross multiply
    238,739.94x = 358,114.03 × 80,972.46
  4. Step 4: Simplify right side
    238,739.94x = 28,997,373,767.18
  5. Step 5: Solve for x
    x = 28,997,373,767.18/238,739.94
  6. Step 6: Final answer
    x = 121,460.09

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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.