Home / 217,367.16-299,966.67-121,873.83

Finding the Fourth Proportional to 217,367.16, 299,966.67 and 121,873.83

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Solution

The fourth proportional to 217,367.16, 299,966.67 and 121,873.83 is: 168,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,367.16 : 299,966.67 = 121,873.83 : x
  2. Step 2: Convert to fraction form
    217,367.16/299,966.67 = 121,873.83/x
  3. Step 3: Cross multiply
    217,367.16x = 299,966.67 × 121,873.83
  4. Step 4: Simplify right side
    217,367.16x = 36,558,086,945.25
  5. Step 5: Solve for x
    x = 36,558,086,945.25/217,367.16
  6. Step 6: Final answer
    x = 168,185.88

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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.