Home / 354,569.40-531,952.65-196,908.57

Finding the Fourth Proportional to 354,569.40, 531,952.65 and 196,908.57

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Solution

The fourth proportional to 354,569.40, 531,952.65 and 196,908.57 is: 295,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,569.40 : 531,952.65 = 196,908.57 : x
  2. Step 2: Convert to fraction form
    354,569.40/531,952.65 = 196,908.57/x
  3. Step 3: Cross multiply
    354,569.40x = 531,952.65 × 196,908.57
  4. Step 4: Simplify right side
    354,569.40x = 104,746,035,619.21
  5. Step 5: Solve for x
    x = 104,746,035,619.21/354,569.40
  6. Step 6: Final answer
    x = 295,417.58

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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.