Home / 235,974.40-325,620.48-140,485.12

Finding the Fourth Proportional to 235,974.40, 325,620.48 and 140,485.12

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Solution

The fourth proportional to 235,974.40, 325,620.48 and 140,485.12 is: 193,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,974.40 : 325,620.48 = 140,485.12 : x
  2. Step 2: Convert to fraction form
    235,974.40/325,620.48 = 140,485.12/x
  3. Step 3: Cross multiply
    235,974.40x = 325,620.48 × 140,485.12
  4. Step 4: Simplify right side
    235,974.40x = 45,744,832,207.26
  5. Step 5: Solve for x
    x = 45,744,832,207.26/235,974.40
  6. Step 6: Final answer
    x = 193,855.06

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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.