Home / 217,117.22-299,586.92-121,627.94

Finding the Fourth Proportional to 217,117.22, 299,586.92 and 121,627.94

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Solution

The fourth proportional to 217,117.22, 299,586.92 and 121,627.94 is: 167,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,117.22 : 299,586.92 = 121,627.94 : x
  2. Step 2: Convert to fraction form
    217,117.22/299,586.92 = 121,627.94/x
  3. Step 3: Cross multiply
    217,117.22x = 299,586.92 × 121,627.94
  4. Step 4: Simplify right side
    217,117.22x = 36,438,139,930.54
  5. Step 5: Solve for x
    x = 36,438,139,930.54/217,117.22
  6. Step 6: Final answer
    x = 167,827.04

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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.