Home / 190,484.07-262,876.32-113,988.61

Finding the Fourth Proportional to 190,484.07, 262,876.32 and 113,988.61

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Solution

The fourth proportional to 190,484.07, 262,876.32 and 113,988.61 is: 157,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,484.07 : 262,876.32 = 113,988.61 : x
  2. Step 2: Convert to fraction form
    190,484.07/262,876.32 = 113,988.61/x
  3. Step 3: Cross multiply
    190,484.07x = 262,876.32 × 113,988.61
  4. Step 4: Simplify right side
    190,484.07x = 29,964,906,318.72
  5. Step 5: Solve for x
    x = 29,964,906,318.72/190,484.07
  6. Step 6: Final answer
    x = 157,309.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.