Home / 338,351.03-507,490.77-178,362.87

Finding the Fourth Proportional to 338,351.03, 507,490.77 and 178,362.87

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Solution

The fourth proportional to 338,351.03, 507,490.77 and 178,362.87 is: 267,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,351.03 : 507,490.77 = 178,362.87 : x
  2. Step 2: Convert to fraction form
    338,351.03/507,490.77 = 178,362.87/x
  3. Step 3: Cross multiply
    338,351.03x = 507,490.77 × 178,362.87
  4. Step 4: Simplify right side
    338,351.03x = 90,517,510,235.71
  5. Step 5: Solve for x
    x = 90,517,510,235.71/338,351.03
  6. Step 6: Final answer
    x = 267,525.44

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1.5x scale

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.