Home / 190,709.82-286,105.73-64,353.20

Finding the Fourth Proportional to 190,709.82, 286,105.73 and 64,353.20

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Solution

The fourth proportional to 190,709.82, 286,105.73 and 64,353.20 is: 96,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,709.82 : 286,105.73 = 64,353.20 : x
  2. Step 2: Convert to fraction form
    190,709.82/286,105.73 = 64,353.20/x
  3. Step 3: Cross multiply
    190,709.82x = 286,105.73 × 64,353.20
  4. Step 4: Simplify right side
    190,709.82x = 18,411,817,511.54
  5. Step 5: Solve for x
    x = 18,411,817,511.54/190,709.82
  6. Step 6: Final answer
    x = 96,543.63

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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.