Home / 215,331.37-297,154.40-119,838.04

Finding the Fourth Proportional to 215,331.37, 297,154.40 and 119,838.04

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Solution

The fourth proportional to 215,331.37, 297,154.40 and 119,838.04 is: 165,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,331.37 : 297,154.40 = 119,838.04 : x
  2. Step 2: Convert to fraction form
    215,331.37/297,154.40 = 119,838.04/x
  3. Step 3: Cross multiply
    215,331.37x = 297,154.40 × 119,838.04
  4. Step 4: Simplify right side
    215,331.37x = 35,610,398,788.41
  5. Step 5: Solve for x
    x = 35,610,398,788.41/215,331.37
  6. Step 6: Final answer
    x = 165,374.88

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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.