Home / 338,142.50-507,247.61-124,966.44

Finding the Fourth Proportional to 338,142.50, 507,247.61 and 124,966.44

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Solution

The fourth proportional to 338,142.50, 507,247.61 and 124,966.44 is: 187,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,142.50 : 507,247.61 = 124,966.44 : x
  2. Step 2: Convert to fraction form
    338,142.50/507,247.61 = 124,966.44/x
  3. Step 3: Cross multiply
    338,142.50x = 507,247.61 × 124,966.44
  4. Step 4: Simplify right side
    338,142.50x = 63,388,927,395.38
  5. Step 5: Solve for x
    x = 63,388,927,395.38/338,142.50
  6. Step 6: Final answer
    x = 187,462.17

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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.