Home / 190,971.72-286,356.78-64,568.52

Finding the Fourth Proportional to 190,971.72, 286,356.78 and 64,568.52

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Solution

The fourth proportional to 190,971.72, 286,356.78 and 64,568.52 is: 96,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,971.72 : 286,356.78 = 64,568.52 : x
  2. Step 2: Convert to fraction form
    190,971.72/286,356.78 = 64,568.52/x
  3. Step 3: Cross multiply
    190,971.72x = 286,356.78 × 64,568.52
  4. Step 4: Simplify right side
    190,971.72x = 18,489,633,476.57
  5. Step 5: Solve for x
    x = 18,489,633,476.57/190,971.72
  6. Step 6: Final answer
    x = 96,818.70

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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.