Home / 122,864.02-184,059.65-75,340.40

Finding the Fourth Proportional to 122,864.02, 184,059.65 and 75,340.40

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Solution

The fourth proportional to 122,864.02, 184,059.65 and 75,340.40 is: 112,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,864.02 : 184,059.65 = 75,340.40 : x
  2. Step 2: Convert to fraction form
    122,864.02/184,059.65 = 75,340.40/x
  3. Step 3: Cross multiply
    122,864.02x = 184,059.65 × 75,340.40
  4. Step 4: Simplify right side
    122,864.02x = 13,867,126,922.91
  5. Step 5: Solve for x
    x = 13,867,126,922.91/122,864.02
  6. Step 6: Final answer
    x = 112,865.65

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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.