Home / 98,237.09-147,355.02-28,116.60

Finding the Fourth Proportional to 98,237.09, 147,355.02 and 28,116.60

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Solution

The fourth proportional to 98,237.09, 147,355.02 and 28,116.60 is: 42,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,237.09 : 147,355.02 = 28,116.60 : x
  2. Step 2: Convert to fraction form
    98,237.09/147,355.02 = 28,116.60/x
  3. Step 3: Cross multiply
    98,237.09x = 147,355.02 × 28,116.60
  4. Step 4: Simplify right side
    98,237.09x = 4,143,122,155.33
  5. Step 5: Solve for x
    x = 4,143,122,155.33/98,237.09
  6. Step 6: Final answer
    x = 42,174.73

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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.