Home / 122,945.10-184,417.65-111,281.10

Finding the Fourth Proportional to 122,945.10, 184,417.65 and 111,281.10

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Solution

The fourth proportional to 122,945.10, 184,417.65 and 111,281.10 is: 166,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945.10 : 184,417.65 = 111,281.10 : x
  2. Step 2: Convert to fraction form
    122,945.10/184,417.65 = 111,281.10/x
  3. Step 3: Cross multiply
    122,945.10x = 184,417.65 × 111,281.10
  4. Step 4: Simplify right side
    122,945.10x = 20,522,198,951.42
  5. Step 5: Solve for x
    x = 20,522,198,951.42/122,945.10
  6. Step 6: Final answer
    x = 166,921.65

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1.5x scale

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.