Home / 351,140.36-484,570.24-189,991.87

Finding the Fourth Proportional to 351,140.36, 484,570.24 and 189,991.87

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Solution

The fourth proportional to 351,140.36, 484,570.24 and 189,991.87 is: 262,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,140.36 : 484,570.24 = 189,991.87 : x
  2. Step 2: Convert to fraction form
    351,140.36/484,570.24 = 189,991.87/x
  3. Step 3: Cross multiply
    351,140.36x = 484,570.24 × 189,991.87
  4. Step 4: Simplify right side
    351,140.36x = 92,064,406,043.95
  5. Step 5: Solve for x
    x = 92,064,406,043.95/351,140.36
  6. Step 6: Final answer
    x = 262,186.91

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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.