Home / 338,891.02-507,981.85-114,173.80

Finding the Fourth Proportional to 338,891.02, 507,981.85 and 114,173.80

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Solution

The fourth proportional to 338,891.02, 507,981.85 and 114,173.80 is: 171,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,891.02 : 507,981.85 = 114,173.80 : x
  2. Step 2: Convert to fraction form
    338,891.02/507,981.85 = 114,173.80/x
  3. Step 3: Cross multiply
    338,891.02x = 507,981.85 × 114,173.80
  4. Step 4: Simplify right side
    338,891.02x = 57,998,218,145.53
  5. Step 5: Solve for x
    x = 57,998,218,145.53/338,891.02
  6. Step 6: Final answer
    x = 171,141.21

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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.