Home / 149,300.47-205,969.26-98,247.52

Finding the Fourth Proportional to 149,300.47, 205,969.26 and 98,247.52

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Solution

The fourth proportional to 149,300.47, 205,969.26 and 98,247.52 is: 135,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,300.47 : 205,969.26 = 98,247.52 : x
  2. Step 2: Convert to fraction form
    149,300.47/205,969.26 = 98,247.52/x
  3. Step 3: Cross multiply
    149,300.47x = 205,969.26 × 98,247.52
  4. Step 4: Simplify right side
    149,300.47x = 20,235,968,991.24
  5. Step 5: Solve for x
    x = 20,235,968,991.24/149,300.47
  6. Step 6: Final answer
    x = 135,538.55

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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.