Home / 190,947.84-263,500.65-106,070.28

Finding the Fourth Proportional to 190,947.84, 263,500.65 and 106,070.28

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Solution

The fourth proportional to 190,947.84, 263,500.65 and 106,070.28 is: 146,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,947.84 : 263,500.65 = 106,070.28 : x
  2. Step 2: Convert to fraction form
    190,947.84/263,500.65 = 106,070.28/x
  3. Step 3: Cross multiply
    190,947.84x = 263,500.65 × 106,070.28
  4. Step 4: Simplify right side
    190,947.84x = 27,949,587,725.68
  5. Step 5: Solve for x
    x = 27,949,587,725.68/190,947.84
  6. Step 6: Final answer
    x = 146,372.89

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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.