Home / 190,295.28-262,607.04-105,411.96

Finding the Fourth Proportional to 190,295.28, 262,607.04 and 105,411.96

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Solution

The fourth proportional to 190,295.28, 262,607.04 and 105,411.96 is: 145,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,295.28 : 262,607.04 = 105,411.96 : x
  2. Step 2: Convert to fraction form
    190,295.28/262,607.04 = 105,411.96/x
  3. Step 3: Cross multiply
    190,295.28x = 262,607.04 × 105,411.96
  4. Step 4: Simplify right side
    190,295.28x = 27,681,922,796.20
  5. Step 5: Solve for x
    x = 27,681,922,796.20/190,295.28
  6. Step 6: Final answer
    x = 145,468.26

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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.