Home / 338,148.57-507,321.63-151,116.33

Finding the Fourth Proportional to 338,148.57, 507,321.63 and 151,116.33

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Solution

The fourth proportional to 338,148.57, 507,321.63 and 151,116.33 is: 226,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,148.57 : 507,321.63 = 151,116.33 : x
  2. Step 2: Convert to fraction form
    338,148.57/507,321.63 = 151,116.33/x
  3. Step 3: Cross multiply
    338,148.57x = 507,321.63 × 151,116.33
  4. Step 4: Simplify right side
    338,148.57x = 76,664,582,855.22
  5. Step 5: Solve for x
    x = 76,664,582,855.22/338,148.57
  6. Step 6: Final answer
    x = 226,718.64

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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.