Home / 215,909.04-323,858.70-97,548.60

Finding the Fourth Proportional to 215,909.04, 323,858.70 and 97,548.60

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Solution

The fourth proportional to 215,909.04, 323,858.70 and 97,548.60 is: 146,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,909.04 : 323,858.70 = 97,548.60 : x
  2. Step 2: Convert to fraction form
    215,909.04/323,858.70 = 97,548.60/x
  3. Step 3: Cross multiply
    215,909.04x = 323,858.70 × 97,548.60
  4. Step 4: Simplify right side
    215,909.04x = 31,591,962,782.82
  5. Step 5: Solve for x
    x = 31,591,962,782.82/215,909.04
  6. Step 6: Final answer
    x = 146,320.70

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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.