Home / 191,964.06-287,926.65-51,736.86

Finding the Fourth Proportional to 191,964.06, 287,926.65 and 51,736.86

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Solution

The fourth proportional to 191,964.06, 287,926.65 and 51,736.86 is: 77,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,964.06 : 287,926.65 = 51,736.86 : x
  2. Step 2: Convert to fraction form
    191,964.06/287,926.65 = 51,736.86/x
  3. Step 3: Cross multiply
    191,964.06x = 287,926.65 × 51,736.86
  4. Step 4: Simplify right side
    191,964.06x = 14,896,420,781.32
  5. Step 5: Solve for x
    x = 14,896,420,781.32/191,964.06
  6. Step 6: Final answer
    x = 77,600.05

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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.