Home / 191,204.89-263,862.96-106,320.13

Finding the Fourth Proportional to 191,204.89, 263,862.96 and 106,320.13

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Solution

The fourth proportional to 191,204.89, 263,862.96 and 106,320.13 is: 146,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,204.89 : 263,862.96 = 106,320.13 : x
  2. Step 2: Convert to fraction form
    191,204.89/263,862.96 = 106,320.13/x
  3. Step 3: Cross multiply
    191,204.89x = 263,862.96 × 106,320.13
  4. Step 4: Simplify right side
    191,204.89x = 28,053,942,890.07
  5. Step 5: Solve for x
    x = 28,053,942,890.07/191,204.89
  6. Step 6: Final answer
    x = 146,721.89

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1.5x scale

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.