Home / 191,220.82-286,864.04-58,114.54

Finding the Fourth Proportional to 191,220.82, 286,864.04 and 58,114.54

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Solution

The fourth proportional to 191,220.82, 286,864.04 and 58,114.54 is: 87,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,220.82 : 286,864.04 = 58,114.54 : x
  2. Step 2: Convert to fraction form
    191,220.82/286,864.04 = 58,114.54/x
  3. Step 3: Cross multiply
    191,220.82x = 286,864.04 × 58,114.54
  4. Step 4: Simplify right side
    191,220.82x = 16,670,971,727.14
  5. Step 5: Solve for x
    x = 16,670,971,727.14/191,220.82
  6. Step 6: Final answer
    x = 87,181.78

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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.