Home / 195,186.50-269,357.73-105,762.50

Finding the Fourth Proportional to 195,186.50, 269,357.73 and 105,762.50

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Solution

The fourth proportional to 195,186.50, 269,357.73 and 105,762.50 is: 145,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,186.50 : 269,357.73 = 105,762.50 : x
  2. Step 2: Convert to fraction form
    195,186.50/269,357.73 = 105,762.50/x
  3. Step 3: Cross multiply
    195,186.50x = 269,357.73 × 105,762.50
  4. Step 4: Simplify right side
    195,186.50x = 28,487,946,919.13
  5. Step 5: Solve for x
    x = 28,487,946,919.13/195,186.50
  6. Step 6: Final answer
    x = 145,952.45

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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.