Home / 191,713.44-264,565.60-111,188.70

Finding the Fourth Proportional to 191,713.44, 264,565.60 and 111,188.70

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Solution

The fourth proportional to 191,713.44, 264,565.60 and 111,188.70 is: 153,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,713.44 : 264,565.60 = 111,188.70 : x
  2. Step 2: Convert to fraction form
    191,713.44/264,565.60 = 111,188.70/x
  3. Step 3: Cross multiply
    191,713.44x = 264,565.60 × 111,188.70
  4. Step 4: Simplify right side
    191,713.44x = 29,416,705,128.72
  5. Step 5: Solve for x
    x = 29,416,705,128.72/191,713.44
  6. Step 6: Final answer
    x = 153,441.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.