Home / 352,405.10-486,302.40-191,258.73

Finding the Fourth Proportional to 352,405.10, 486,302.40 and 191,258.73

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Solution

The fourth proportional to 352,405.10, 486,302.40 and 191,258.73 is: 263,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,405.10 : 486,302.40 = 191,258.73 : x
  2. Step 2: Convert to fraction form
    352,405.10/486,302.40 = 191,258.73/x
  3. Step 3: Cross multiply
    352,405.10x = 486,302.40 × 191,258.73
  4. Step 4: Simplify right side
    352,405.10x = 93,009,579,419.95
  5. Step 5: Solve for x
    x = 93,009,579,419.95/352,405.10
  6. Step 6: Final answer
    x = 263,928.02

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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.