Home / 461,040.84-691,536.78-141,192.60

Finding the Fourth Proportional to 461,040.84, 691,536.78 and 141,192.60

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Solution

The fourth proportional to 461,040.84, 691,536.78 and 141,192.60 is: 211,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,040.84 : 691,536.78 = 141,192.60 : x
  2. Step 2: Convert to fraction form
    461,040.84/691,536.78 = 141,192.60/x
  3. Step 3: Cross multiply
    461,040.84x = 691,536.78 × 141,192.60
  4. Step 4: Simplify right side
    461,040.84x = 97,639,875,963.83
  5. Step 5: Solve for x
    x = 97,639,875,963.83/461,040.84
  6. Step 6: Final answer
    x = 211,781.40

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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.