Home / 215,866.04-323,794.20-97,505.60

Finding the Fourth Proportional to 215,866.04, 323,794.20 and 97,505.60

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Solution

The fourth proportional to 215,866.04, 323,794.20 and 97,505.60 is: 146,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,866.04 : 323,794.20 = 97,505.60 : x
  2. Step 2: Convert to fraction form
    215,866.04/323,794.20 = 97,505.60/x
  3. Step 3: Cross multiply
    215,866.04x = 323,794.20 × 97,505.60
  4. Step 4: Simplify right side
    215,866.04x = 31,571,747,747.52
  5. Step 5: Solve for x
    x = 31,571,747,747.52/215,866.04
  6. Step 6: Final answer
    x = 146,256.20

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1.5x scale

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.