Home / 356,027.61-491,317.74-194,881.23

Finding the Fourth Proportional to 356,027.61, 491,317.74 and 194,881.23

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Solution

The fourth proportional to 356,027.61, 491,317.74 and 194,881.23 is: 268,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,027.61 : 491,317.74 = 194,881.23 : x
  2. Step 2: Convert to fraction form
    356,027.61/491,317.74 = 194,881.23/x
  3. Step 3: Cross multiply
    356,027.61x = 491,317.74 × 194,881.23
  4. Step 4: Simplify right side
    356,027.61x = 95,748,605,492.02
  5. Step 5: Solve for x
    x = 95,748,605,492.02/356,027.61
  6. Step 6: Final answer
    x = 268,935.90

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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.