Home / 357,217.60-492,965.40-196,069.72

Finding the Fourth Proportional to 357,217.60, 492,965.40 and 196,069.72

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Solution

The fourth proportional to 357,217.60, 492,965.40 and 196,069.72 is: 270,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,217.60 : 492,965.40 = 196,069.72 : x
  2. Step 2: Convert to fraction form
    357,217.60/492,965.40 = 196,069.72/x
  3. Step 3: Cross multiply
    357,217.60x = 492,965.40 × 196,069.72
  4. Step 4: Simplify right side
    357,217.60x = 96,655,587,947.69
  5. Step 5: Solve for x
    x = 96,655,587,947.69/357,217.60
  6. Step 6: Final answer
    x = 270,579.02

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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.