Home / 194,199.80-291,341.30-109,999.76

Finding the Fourth Proportional to 194,199.80, 291,341.30 and 109,999.76

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Solution

The fourth proportional to 194,199.80, 291,341.30 and 109,999.76 is: 165,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,199.80 : 291,341.30 = 109,999.76 : x
  2. Step 2: Convert to fraction form
    194,199.80/291,341.30 = 109,999.76/x
  3. Step 3: Cross multiply
    194,199.80x = 291,341.30 × 109,999.76
  4. Step 4: Simplify right side
    194,199.80x = 32,047,473,078.09
  5. Step 5: Solve for x
    x = 32,047,473,078.09/194,199.80
  6. Step 6: Final answer
    x = 165,023.20

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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.