Home / 190,439.52-262,796.28-109,862.16

Finding the Fourth Proportional to 190,439.52, 262,796.28 and 109,862.16

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Solution

The fourth proportional to 190,439.52, 262,796.28 and 109,862.16 is: 151,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,439.52 : 262,796.28 = 109,862.16 : x
  2. Step 2: Convert to fraction form
    190,439.52/262,796.28 = 109,862.16/x
  3. Step 3: Cross multiply
    190,439.52x = 262,796.28 × 109,862.16
  4. Step 4: Simplify right side
    190,439.52x = 28,871,366,960.76
  5. Step 5: Solve for x
    x = 28,871,366,960.76/190,439.52
  6. Step 6: Final answer
    x = 151,603.86

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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.