Home / 434,660.57-651,935.47-168,238.81

Finding the Fourth Proportional to 434,660.57, 651,935.47 and 168,238.81

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Solution

The fourth proportional to 434,660.57, 651,935.47 and 168,238.81 is: 252,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,660.57 : 651,935.47 = 168,238.81 : x
  2. Step 2: Convert to fraction form
    434,660.57/651,935.47 = 168,238.81/x
  3. Step 3: Cross multiply
    434,660.57x = 651,935.47 × 168,238.81
  4. Step 4: Simplify right side
    434,660.57x = 109,680,847,669.59
  5. Step 5: Solve for x
    x = 109,680,847,669.59/434,660.57
  6. Step 6: Final answer
    x = 252,336.78

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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.