Home / 290,972.16-401,558.04-194,008.68

Finding the Fourth Proportional to 290,972.16, 401,558.04 and 194,008.68

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Solution

The fourth proportional to 290,972.16, 401,558.04 and 194,008.68 is: 267,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,972.16 : 401,558.04 = 194,008.68 : x
  2. Step 2: Convert to fraction form
    290,972.16/401,558.04 = 194,008.68/x
  3. Step 3: Cross multiply
    290,972.16x = 401,558.04 × 194,008.68
  4. Step 4: Simplify right side
    290,972.16x = 77,905,745,283.79
  5. Step 5: Solve for x
    x = 77,905,745,283.79/290,972.16
  6. Step 6: Final answer
    x = 267,742.95

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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.