Home / 225,137.23-310,691.83-123,160.50

Finding the Fourth Proportional to 225,137.23, 310,691.83 and 123,160.50

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Solution

The fourth proportional to 225,137.23, 310,691.83 and 123,160.50 is: 169,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,137.23 : 310,691.83 = 123,160.50 : x
  2. Step 2: Convert to fraction form
    225,137.23/310,691.83 = 123,160.50/x
  3. Step 3: Cross multiply
    225,137.23x = 310,691.83 × 123,160.50
  4. Step 4: Simplify right side
    225,137.23x = 38,264,962,795.46
  5. Step 5: Solve for x
    x = 38,264,962,795.46/225,137.23
  6. Step 6: Final answer
    x = 169,962.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.