Home / 190,930.86-286,259.97-89,672.37

Finding the Fourth Proportional to 190,930.86, 286,259.97 and 89,672.37

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Solution

The fourth proportional to 190,930.86, 286,259.97 and 89,672.37 is: 134,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,930.86 : 286,259.97 = 89,672.37 : x
  2. Step 2: Convert to fraction form
    190,930.86/286,259.97 = 89,672.37/x
  3. Step 3: Cross multiply
    190,930.86x = 286,259.97 × 89,672.37
  4. Step 4: Simplify right side
    190,930.86x = 25,669,609,946.03
  5. Step 5: Solve for x
    x = 25,669,609,946.03/190,930.86
  6. Step 6: Final answer
    x = 134,444.53

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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.