Home / 191,416.06-287,102.22-51,185.62

Finding the Fourth Proportional to 191,416.06, 287,102.22 and 51,185.62

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Solution

The fourth proportional to 191,416.06, 287,102.22 and 51,185.62 is: 76,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,416.06 : 287,102.22 = 51,185.62 : x
  2. Step 2: Convert to fraction form
    191,416.06/287,102.22 = 51,185.62/x
  3. Step 3: Cross multiply
    191,416.06x = 287,102.22 × 51,185.62
  4. Step 4: Simplify right side
    191,416.06x = 14,695,505,134.08
  5. Step 5: Solve for x
    x = 14,695,505,134.08/191,416.06
  6. Step 6: Final answer
    x = 76,772.58

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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.