Home / 170,258.96-234,850.90-122,436.56

Finding the Fourth Proportional to 170,258.96, 234,850.90 and 122,436.56

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Solution

The fourth proportional to 170,258.96, 234,850.90 and 122,436.56 is: 168,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,258.96 : 234,850.90 = 122,436.56 : x
  2. Step 2: Convert to fraction form
    170,258.96/234,850.90 = 122,436.56/x
  3. Step 3: Cross multiply
    170,258.96x = 234,850.90 × 122,436.56
  4. Step 4: Simplify right side
    170,258.96x = 28,754,336,308.90
  5. Step 5: Solve for x
    x = 28,754,336,308.90/170,258.96
  6. Step 6: Final answer
    x = 168,885.89

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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.