Home / 191,729.82-264,575.53-105,685.04

Finding the Fourth Proportional to 191,729.82, 264,575.53 and 105,685.04

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Solution

The fourth proportional to 191,729.82, 264,575.53 and 105,685.04 is: 145,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,729.82 : 264,575.53 = 105,685.04 : x
  2. Step 2: Convert to fraction form
    191,729.82/264,575.53 = 105,685.04/x
  3. Step 3: Cross multiply
    191,729.82x = 264,575.53 × 105,685.04
  4. Step 4: Simplify right side
    191,729.82x = 27,961,675,471.07
  5. Step 5: Solve for x
    x = 27,961,675,471.07/191,729.82
  6. Step 6: Final answer
    x = 145,838.95

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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.