Home / 191,786.95-287,670.07-58,667.22

Finding the Fourth Proportional to 191,786.95, 287,670.07 and 58,667.22

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Solution

The fourth proportional to 191,786.95, 287,670.07 and 58,667.22 is: 87,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,786.95 : 287,670.07 = 58,667.22 : x
  2. Step 2: Convert to fraction form
    191,786.95/287,670.07 = 58,667.22/x
  3. Step 3: Cross multiply
    191,786.95x = 287,670.07 × 58,667.22
  4. Step 4: Simplify right side
    191,786.95x = 16,876,802,990.77
  5. Step 5: Solve for x
    x = 16,876,802,990.77/191,786.95
  6. Step 6: Final answer
    x = 87,997.66

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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.