Home / 141,966.55-195,913.42-81,541.09

Finding the Fourth Proportional to 141,966.55, 195,913.42 and 81,541.09

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Solution

The fourth proportional to 141,966.55, 195,913.42 and 81,541.09 is: 112,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,966.55 : 195,913.42 = 81,541.09 : x
  2. Step 2: Convert to fraction form
    141,966.55/195,913.42 = 81,541.09/x
  3. Step 3: Cross multiply
    141,966.55x = 195,913.42 × 81,541.09
  4. Step 4: Simplify right side
    141,966.55x = 15,974,993,812.43
  5. Step 5: Solve for x
    x = 15,974,993,812.43/141,966.55
  6. Step 6: Final answer
    x = 112,526.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.