Home / 215,591.16-297,525-120,097.92

Finding the Fourth Proportional to 215,591.16, 297,525 and 120,097.92

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Solution

The fourth proportional to 215,591.16, 297,525 and 120,097.92 is: 165,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,591.16 : 297,525 = 120,097.92 : x
  2. Step 2: Convert to fraction form
    215,591.16/297,525 = 120,097.92/x
  3. Step 3: Cross multiply
    215,591.16x = 297,525 × 120,097.92
  4. Step 4: Simplify right side
    215,591.16x = 35,732,133,648
  5. Step 5: Solve for x
    x = 35,732,133,648/215,591.16
  6. Step 6: Final answer
    x = 165,740.25

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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.