Home / 191,728.82-264,574.15-105,684.04

Finding the Fourth Proportional to 191,728.82, 264,574.15 and 105,684.04

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Solution

The fourth proportional to 191,728.82, 264,574.15 and 105,684.04 is: 145,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,728.82 : 264,574.15 = 105,684.04 : x
  2. Step 2: Convert to fraction form
    191,728.82/264,574.15 = 105,684.04/x
  3. Step 3: Cross multiply
    191,728.82x = 264,574.15 × 105,684.04
  4. Step 4: Simplify right side
    191,728.82x = 27,961,265,118.07
  5. Step 5: Solve for x
    x = 27,961,265,118.07/191,728.82
  6. Step 6: Final answer
    x = 145,837.57

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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.