Home / 191,735.80-264,583.30-105,690.04

Finding the Fourth Proportional to 191,735.80, 264,583.30 and 105,690.04

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Solution

The fourth proportional to 191,735.80, 264,583.30 and 105,690.04 is: 145,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,735.80 : 264,583.30 = 105,690.04 : x
  2. Step 2: Convert to fraction form
    191,735.80/264,583.30 = 105,690.04/x
  3. Step 3: Cross multiply
    191,735.80x = 264,583.30 × 105,690.04
  4. Step 4: Simplify right side
    191,735.80x = 27,963,819,560.33
  5. Step 5: Solve for x
    x = 27,963,819,560.33/191,735.80
  6. Step 6: Final answer
    x = 145,845.58

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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.