Home / 217,333.85-299,935.10-121,846.73

Finding the Fourth Proportional to 217,333.85, 299,935.10 and 121,846.73

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Solution

The fourth proportional to 217,333.85, 299,935.10 and 121,846.73 is: 168,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,333.85 : 299,935.10 = 121,846.73 : x
  2. Step 2: Convert to fraction form
    217,333.85/299,935.10 = 121,846.73/x
  3. Step 3: Cross multiply
    217,333.85x = 299,935.10 × 121,846.73
  4. Step 4: Simplify right side
    217,333.85x = 36,546,109,952.16
  5. Step 5: Solve for x
    x = 36,546,109,952.16/217,333.85
  6. Step 6: Final answer
    x = 168,156.55

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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.