Home / 194,563.08-268,477.38-143,603.64

Finding the Fourth Proportional to 194,563.08, 268,477.38 and 143,603.64

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Solution

The fourth proportional to 194,563.08, 268,477.38 and 143,603.64 is: 198,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,563.08 : 268,477.38 = 143,603.64 : x
  2. Step 2: Convert to fraction form
    194,563.08/268,477.38 = 143,603.64/x
  3. Step 3: Cross multiply
    194,563.08x = 268,477.38 × 143,603.64
  4. Step 4: Simplify right side
    194,563.08x = 38,554,329,025.66
  5. Step 5: Solve for x
    x = 38,554,329,025.66/194,563.08
  6. Step 6: Final answer
    x = 198,158.50

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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.