Home / 291,202.60-401,865.54-163,877.80

Finding the Fourth Proportional to 291,202.60, 401,865.54 and 163,877.80

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Solution

The fourth proportional to 291,202.60, 401,865.54 and 163,877.80 is: 226,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,202.60 : 401,865.54 = 163,877.80 : x
  2. Step 2: Convert to fraction form
    291,202.60/401,865.54 = 163,877.80/x
  3. Step 3: Cross multiply
    291,202.60x = 401,865.54 × 163,877.80
  4. Step 4: Simplify right side
    291,202.60x = 65,856,840,591.01
  5. Step 5: Solve for x
    x = 65,856,840,591.01/291,202.60
  6. Step 6: Final answer
    x = 226,154.71

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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.