Home / 193,965.08-267,840-143,066.03

Finding the Fourth Proportional to 193,965.08, 267,840 and 143,066.03

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Solution

The fourth proportional to 193,965.08, 267,840 and 143,066.03 is: 197,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,965.08 : 267,840 = 143,066.03 : x
  2. Step 2: Convert to fraction form
    193,965.08/267,840 = 143,066.03/x
  3. Step 3: Cross multiply
    193,965.08x = 267,840 × 143,066.03
  4. Step 4: Simplify right side
    193,965.08x = 38,318,804,136
  5. Step 5: Solve for x
    x = 38,318,804,136/193,965.08
  6. Step 6: Final answer
    x = 197,555.17

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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.