Home / 123,204.12-183,914.94-108,257.40

Finding the Fourth Proportional to 123,204.12, 183,914.94 and 108,257.40

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Solution

The fourth proportional to 123,204.12, 183,914.94 and 108,257.40 is: 161,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204.12 : 183,914.94 = 108,257.40 : x
  2. Step 2: Convert to fraction form
    123,204.12/183,914.94 = 108,257.40/x
  3. Step 3: Cross multiply
    123,204.12x = 183,914.94 × 108,257.40
  4. Step 4: Simplify right side
    123,204.12x = 19,910,153,225.56
  5. Step 5: Solve for x
    x = 19,910,153,225.56/123,204.12
  6. Step 6: Final answer
    x = 161,602.98

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1.5x scale

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.