Home / 134,693.10-201,869.55-68,151.60

Finding the Fourth Proportional to 134,693.10, 201,869.55 and 68,151.60

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Solution

The fourth proportional to 134,693.10, 201,869.55 and 68,151.60 is: 102,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,693.10 : 201,869.55 = 68,151.60 : x
  2. Step 2: Convert to fraction form
    134,693.10/201,869.55 = 68,151.60/x
  3. Step 3: Cross multiply
    134,693.10x = 201,869.55 × 68,151.60
  4. Step 4: Simplify right side
    134,693.10x = 13,757,732,823.78
  5. Step 5: Solve for x
    x = 13,757,732,823.78/134,693.10
  6. Step 6: Final answer
    x = 102,141.33

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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.