Home / 191,970.97-264,936.68-105,938.03

Finding the Fourth Proportional to 191,970.97, 264,936.68 and 105,938.03

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Solution

The fourth proportional to 191,970.97, 264,936.68 and 105,938.03 is: 146,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,970.97 : 264,936.68 = 105,938.03 : x
  2. Step 2: Convert to fraction form
    191,970.97/264,936.68 = 105,938.03/x
  3. Step 3: Cross multiply
    191,970.97x = 264,936.68 × 105,938.03
  4. Step 4: Simplify right side
    191,970.97x = 28,066,870,881.13
  5. Step 5: Solve for x
    x = 28,066,870,881.13/191,970.97
  6. Step 6: Final answer
    x = 146,203.73

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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.