Home / 190,965.20-286,462.37-57,856.48

Finding the Fourth Proportional to 190,965.20, 286,462.37 and 57,856.48

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Solution

The fourth proportional to 190,965.20, 286,462.37 and 57,856.48 is: 86,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,965.20 : 286,462.37 = 57,856.48 : x
  2. Step 2: Convert to fraction form
    190,965.20/286,462.37 = 57,856.48/x
  3. Step 3: Cross multiply
    190,965.20x = 286,462.37 × 57,856.48
  4. Step 4: Simplify right side
    190,965.20x = 16,573,703,809.14
  5. Step 5: Solve for x
    x = 16,573,703,809.14/190,965.20
  6. Step 6: Final answer
    x = 86,789.13

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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.