Home / 190,532.65-262,934.63-105,647.53

Finding the Fourth Proportional to 190,532.65, 262,934.63 and 105,647.53

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Solution

The fourth proportional to 190,532.65, 262,934.63 and 105,647.53 is: 145,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,532.65 : 262,934.63 = 105,647.53 : x
  2. Step 2: Convert to fraction form
    190,532.65/262,934.63 = 105,647.53/x
  3. Step 3: Cross multiply
    190,532.65x = 262,934.63 × 105,647.53
  4. Step 4: Simplify right side
    190,532.65x = 27,778,393,682.73
  5. Step 5: Solve for x
    x = 27,778,393,682.73/190,532.65
  6. Step 6: Final answer
    x = 145,793.35

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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.