Home / 123,328.08-183,909.24-122,205.42

Finding the Fourth Proportional to 123,328.08, 183,909.24 and 122,205.42

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Solution

The fourth proportional to 123,328.08, 183,909.24 and 122,205.42 is: 182,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,328.08 : 183,909.24 = 122,205.42 : x
  2. Step 2: Convert to fraction form
    123,328.08/183,909.24 = 122,205.42/x
  3. Step 3: Cross multiply
    123,328.08x = 183,909.24 × 122,205.42
  4. Step 4: Simplify right side
    123,328.08x = 22,474,705,916.08
  5. Step 5: Solve for x
    x = 22,474,705,916.08/123,328.08
  6. Step 6: Final answer
    x = 182,235.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.