Home / 185,994.10-279,027.06-79,376.50

Finding the Fourth Proportional to 185,994.10, 279,027.06 and 79,376.50

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Solution

The fourth proportional to 185,994.10, 279,027.06 and 79,376.50 is: 119,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,994.10 : 279,027.06 = 79,376.50 : x
  2. Step 2: Convert to fraction form
    185,994.10/279,027.06 = 79,376.50/x
  3. Step 3: Cross multiply
    185,994.10x = 279,027.06 × 79,376.50
  4. Step 4: Simplify right side
    185,994.10x = 22,148,190,432.86
  5. Step 5: Solve for x
    x = 22,148,190,432.86/185,994.10
  6. Step 6: Final answer
    x = 119,080.07

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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.