Home / 190,901.16-263,726.55-125,643.87

Finding the Fourth Proportional to 190,901.16, 263,726.55 and 125,643.87

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Solution

The fourth proportional to 190,901.16, 263,726.55 and 125,643.87 is: 173,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,901.16 : 263,726.55 = 125,643.87 : x
  2. Step 2: Convert to fraction form
    190,901.16/263,726.55 = 125,643.87/x
  3. Step 3: Cross multiply
    190,901.16x = 263,726.55 × 125,643.87
  4. Step 4: Simplify right side
    190,901.16x = 33,135,624,363.75
  5. Step 5: Solve for x
    x = 33,135,624,363.75/190,901.16
  6. Step 6: Final answer
    x = 173,574.77

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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.