Home / 98,005.28-146,596.40-82,603.36

Finding the Fourth Proportional to 98,005.28, 146,596.40 and 82,603.36

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Solution

The fourth proportional to 98,005.28, 146,596.40 and 82,603.36 is: 123,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,005.28 : 146,596.40 = 82,603.36 : x
  2. Step 2: Convert to fraction form
    98,005.28/146,596.40 = 82,603.36/x
  3. Step 3: Cross multiply
    98,005.28x = 146,596.40 × 82,603.36
  4. Step 4: Simplify right side
    98,005.28x = 12,109,355,203.90
  5. Step 5: Solve for x
    x = 12,109,355,203.90/98,005.28
  6. Step 6: Final answer
    x = 123,558.19

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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.