Home / 288,796.06-433,206.38-89,112.03

Finding the Fourth Proportional to 288,796.06, 433,206.38 and 89,112.03

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Solution

The fourth proportional to 288,796.06, 433,206.38 and 89,112.03 is: 133,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,796.06 : 433,206.38 = 89,112.03 : x
  2. Step 2: Convert to fraction form
    288,796.06/433,206.38 = 89,112.03/x
  3. Step 3: Cross multiply
    288,796.06x = 433,206.38 × 89,112.03
  4. Step 4: Simplify right side
    288,796.06x = 38,603,899,930.75
  5. Step 5: Solve for x
    x = 38,603,899,930.75/288,796.06
  6. Step 6: Final answer
    x = 133,671.84

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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.