Home / 641,727.63-962,588.88-161,956.53

Finding the Fourth Proportional to 641,727.63, 962,588.88 and 161,956.53

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Solution

The fourth proportional to 641,727.63, 962,588.88 and 161,956.53 is: 242,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,727.63 : 962,588.88 = 161,956.53 : x
  2. Step 2: Convert to fraction form
    641,727.63/962,588.88 = 161,956.53/x
  3. Step 3: Cross multiply
    641,727.63x = 962,588.88 × 161,956.53
  4. Step 4: Simplify right side
    641,727.63x = 155,897,554,821.39
  5. Step 5: Solve for x
    x = 155,897,554,821.39/641,727.63
  6. Step 6: Final answer
    x = 242,934.15

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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.