Home / 135,103.08-186,443.60-73,851.02

Finding the Fourth Proportional to 135,103.08, 186,443.60 and 73,851.02

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Solution

The fourth proportional to 135,103.08, 186,443.60 and 73,851.02 is: 101,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,103.08 : 186,443.60 = 73,851.02 : x
  2. Step 2: Convert to fraction form
    135,103.08/186,443.60 = 73,851.02/x
  3. Step 3: Cross multiply
    135,103.08x = 186,443.60 × 73,851.02
  4. Step 4: Simplify right side
    135,103.08x = 13,769,048,731.00
  5. Step 5: Solve for x
    x = 13,769,048,731.00/135,103.08
  6. Step 6: Final answer
    x = 101,915.14

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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.