Home / 123,022.10-184,533.15-112,135.70

Finding the Fourth Proportional to 123,022.10, 184,533.15 and 112,135.70

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Solution

The fourth proportional to 123,022.10, 184,533.15 and 112,135.70 is: 168,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,022.10 : 184,533.15 = 112,135.70 : x
  2. Step 2: Convert to fraction form
    123,022.10/184,533.15 = 112,135.70/x
  3. Step 3: Cross multiply
    123,022.10x = 184,533.15 × 112,135.70
  4. Step 4: Simplify right side
    123,022.10x = 20,692,753,948.46
  5. Step 5: Solve for x
    x = 20,692,753,948.46/123,022.10
  6. Step 6: Final answer
    x = 168,203.55

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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.