Home / 121,324.22-182,641.46-109,117.64

Finding the Fourth Proportional to 121,324.22, 182,641.46 and 109,117.64

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Solution

The fourth proportional to 121,324.22, 182,641.46 and 109,117.64 is: 164,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,324.22 : 182,641.46 = 109,117.64 : x
  2. Step 2: Convert to fraction form
    121,324.22/182,641.46 = 109,117.64/x
  3. Step 3: Cross multiply
    121,324.22x = 182,641.46 × 109,117.64
  4. Step 4: Simplify right side
    121,324.22x = 19,929,403,622.56
  5. Step 5: Solve for x
    x = 19,929,403,622.56/121,324.22
  6. Step 6: Final answer
    x = 164,265.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.