Home / 237,228.03-327,378.78-129,807.45

Finding the Fourth Proportional to 237,228.03, 327,378.78 and 129,807.45

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Solution

The fourth proportional to 237,228.03, 327,378.78 and 129,807.45 is: 179,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,228.03 : 327,378.78 = 129,807.45 : x
  2. Step 2: Convert to fraction form
    237,228.03/327,378.78 = 129,807.45/x
  3. Step 3: Cross multiply
    237,228.03x = 327,378.78 × 129,807.45
  4. Step 4: Simplify right side
    237,228.03x = 42,496,204,615.91
  5. Step 5: Solve for x
    x = 42,496,204,615.91/237,228.03
  6. Step 6: Final answer
    x = 179,136.52

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1.5x scale

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.