Home / 122,961.10-184,441.65-76,305.10

Finding the Fourth Proportional to 122,961.10, 184,441.65 and 76,305.10

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Solution

The fourth proportional to 122,961.10, 184,441.65 and 76,305.10 is: 114,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,961.10 : 184,441.65 = 76,305.10 : x
  2. Step 2: Convert to fraction form
    122,961.10/184,441.65 = 76,305.10/x
  3. Step 3: Cross multiply
    122,961.10x = 184,441.65 × 76,305.10
  4. Step 4: Simplify right side
    122,961.10x = 14,073,838,547.42
  5. Step 5: Solve for x
    x = 14,073,838,547.42/122,961.10
  6. Step 6: Final answer
    x = 114,457.65

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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.