Home / 354,570.40-531,954.15-196,909.57

Finding the Fourth Proportional to 354,570.40, 531,954.15 and 196,909.57

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Solution

The fourth proportional to 354,570.40, 531,954.15 and 196,909.57 is: 295,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,570.40 : 531,954.15 = 196,909.57 : x
  2. Step 2: Convert to fraction form
    354,570.40/531,954.15 = 196,909.57/x
  3. Step 3: Cross multiply
    354,570.40x = 531,954.15 × 196,909.57
  4. Step 4: Simplify right side
    354,570.40x = 104,746,862,936.22
  5. Step 5: Solve for x
    x = 104,746,862,936.22/354,570.40
  6. Step 6: Final answer
    x = 295,419.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.