Home / 98,926.36-148,143.39-69,205.03

Finding the Fourth Proportional to 98,926.36, 148,143.39 and 69,205.03

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Solution

The fourth proportional to 98,926.36, 148,143.39 and 69,205.03 is: 103,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,926.36 : 148,143.39 = 69,205.03 : x
  2. Step 2: Convert to fraction form
    98,926.36/148,143.39 = 69,205.03/x
  3. Step 3: Cross multiply
    98,926.36x = 148,143.39 × 69,205.03
  4. Step 4: Simplify right side
    98,926.36x = 10,252,267,749.25
  5. Step 5: Solve for x
    x = 10,252,267,749.25/98,926.36
  6. Step 6: Final answer
    x = 103,635.35

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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.