Home / 368,417.20-552,625.80-131,767.60

Finding the Fourth Proportional to 368,417.20, 552,625.80 and 131,767.60

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Solution

The fourth proportional to 368,417.20, 552,625.80 and 131,767.60 is: 197,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,417.20 : 552,625.80 = 131,767.60 : x
  2. Step 2: Convert to fraction form
    368,417.20/552,625.80 = 131,767.60/x
  3. Step 3: Cross multiply
    368,417.20x = 552,625.80 × 131,767.60
  4. Step 4: Simplify right side
    368,417.20x = 72,818,175,364.08
  5. Step 5: Solve for x
    x = 72,818,175,364.08/368,417.20
  6. Step 6: Final answer
    x = 197,651.40

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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.