Home / 338,943.44-507,931.32-172,848.08

Finding the Fourth Proportional to 338,943.44, 507,931.32 and 172,848.08

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Solution

The fourth proportional to 338,943.44, 507,931.32 and 172,848.08 is: 259,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,943.44 : 507,931.32 = 172,848.08 : x
  2. Step 2: Convert to fraction form
    338,943.44/507,931.32 = 172,848.08/x
  3. Step 3: Cross multiply
    338,943.44x = 507,931.32 × 172,848.08
  4. Step 4: Simplify right side
    338,943.44x = 87,794,953,433.87
  5. Step 5: Solve for x
    x = 87,794,953,433.87/338,943.44
  6. Step 6: Final answer
    x = 259,025.38

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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.