Home / 194,341.20-291,511.80-111,176.88

Finding the Fourth Proportional to 194,341.20, 291,511.80 and 111,176.88

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Solution

The fourth proportional to 194,341.20, 291,511.80 and 111,176.88 is: 166,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,341.20 : 291,511.80 = 111,176.88 : x
  2. Step 2: Convert to fraction form
    194,341.20/291,511.80 = 111,176.88/x
  3. Step 3: Cross multiply
    194,341.20x = 291,511.80 × 111,176.88
  4. Step 4: Simplify right side
    194,341.20x = 32,409,372,407.18
  5. Step 5: Solve for x
    x = 32,409,372,407.18/194,341.20
  6. Step 6: Final answer
    x = 166,765.32

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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.