Home / 240,629.20-360,943.80-147,317.20

Finding the Fourth Proportional to 240,629.20, 360,943.80 and 147,317.20

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Solution

The fourth proportional to 240,629.20, 360,943.80 and 147,317.20 is: 220,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,629.20 : 360,943.80 = 147,317.20 : x
  2. Step 2: Convert to fraction form
    240,629.20/360,943.80 = 147,317.20/x
  3. Step 3: Cross multiply
    240,629.20x = 360,943.80 × 147,317.20
  4. Step 4: Simplify right side
    240,629.20x = 53,173,229,973.36
  5. Step 5: Solve for x
    x = 53,173,229,973.36/240,629.20
  6. Step 6: Final answer
    x = 220,975.80

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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.