Home / 98,301.02-147,449.37-28,180.94

Finding the Fourth Proportional to 98,301.02, 147,449.37 and 28,180.94

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Solution

The fourth proportional to 98,301.02, 147,449.37 and 28,180.94 is: 42,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,301.02 : 147,449.37 = 28,180.94 : x
  2. Step 2: Convert to fraction form
    98,301.02/147,449.37 = 28,180.94/x
  3. Step 3: Cross multiply
    98,301.02x = 147,449.37 × 28,180.94
  4. Step 4: Simplify right side
    98,301.02x = 4,155,261,849.01
  5. Step 5: Solve for x
    x = 4,155,261,849.01/98,301.02
  6. Step 6: Final answer
    x = 42,270.79

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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.