Home / 345,268.98-476,484.06-190,226.58

Finding the Fourth Proportional to 345,268.98, 476,484.06 and 190,226.58

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Solution

The fourth proportional to 345,268.98, 476,484.06 and 190,226.58 is: 262,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,268.98 : 476,484.06 = 190,226.58 : x
  2. Step 2: Convert to fraction form
    345,268.98/476,484.06 = 190,226.58/x
  3. Step 3: Cross multiply
    345,268.98x = 476,484.06 × 190,226.58
  4. Step 4: Simplify right side
    345,268.98x = 90,639,933,158.31
  5. Step 5: Solve for x
    x = 90,639,933,158.31/345,268.98
  6. Step 6: Final answer
    x = 262,519.77

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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.