Home / 190,140.13-262,393.44-105,257.19

Finding the Fourth Proportional to 190,140.13, 262,393.44 and 105,257.19

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Solution

The fourth proportional to 190,140.13, 262,393.44 and 105,257.19 is: 145,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,140.13 : 262,393.44 = 105,257.19 : x
  2. Step 2: Convert to fraction form
    190,140.13/262,393.44 = 105,257.19/x
  3. Step 3: Cross multiply
    190,140.13x = 262,393.44 × 105,257.19
  4. Step 4: Simplify right side
    190,140.13x = 27,618,796,168.83
  5. Step 5: Solve for x
    x = 27,618,796,168.83/190,140.13
  6. Step 6: Final answer
    x = 145,254.96

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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.