Home / 245,965.19-368,947.85-189,887.15

Finding the Fourth Proportional to 245,965.19, 368,947.85 and 189,887.15

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Solution

The fourth proportional to 245,965.19, 368,947.85 and 189,887.15 is: 284,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,965.19 : 368,947.85 = 189,887.15 : x
  2. Step 2: Convert to fraction form
    245,965.19/368,947.85 = 189,887.15/x
  3. Step 3: Cross multiply
    245,965.19x = 368,947.85 × 189,887.15
  4. Step 4: Simplify right side
    245,965.19x = 70,058,455,708.06
  5. Step 5: Solve for x
    x = 70,058,455,708.06/245,965.19
  6. Step 6: Final answer
    x = 284,830.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.