Home / 190,699.62-263,263.47-134,362.50

Finding the Fourth Proportional to 190,699.62, 263,263.47 and 134,362.50

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Solution

The fourth proportional to 190,699.62, 263,263.47 and 134,362.50 is: 185,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,699.62 : 263,263.47 = 134,362.50 : x
  2. Step 2: Convert to fraction form
    190,699.62/263,263.47 = 134,362.50/x
  3. Step 3: Cross multiply
    190,699.62x = 263,263.47 × 134,362.50
  4. Step 4: Simplify right side
    190,699.62x = 35,372,737,987.88
  5. Step 5: Solve for x
    x = 35,372,737,987.88/190,699.62
  6. Step 6: Final answer
    x = 185,489.29

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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.