Home / 351,424.05-484,965.39-190,279.20

Finding the Fourth Proportional to 351,424.05, 484,965.39 and 190,279.20

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Solution

The fourth proportional to 351,424.05, 484,965.39 and 190,279.20 is: 262,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,424.05 : 484,965.39 = 190,279.20 : x
  2. Step 2: Convert to fraction form
    351,424.05/484,965.39 = 190,279.20/x
  3. Step 3: Cross multiply
    351,424.05x = 484,965.39 × 190,279.20
  4. Step 4: Simplify right side
    351,424.05x = 92,278,826,436.89
  5. Step 5: Solve for x
    x = 92,278,826,436.89/351,424.05
  6. Step 6: Final answer
    x = 262,585.40

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1.5x scale

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.