Home / 191,149.02-263,788.79-105,111.77

Finding the Fourth Proportional to 191,149.02, 263,788.79 and 105,111.77

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Solution

The fourth proportional to 191,149.02, 263,788.79 and 105,111.77 is: 145,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,149.02 : 263,788.79 = 105,111.77 : x
  2. Step 2: Convert to fraction form
    191,149.02/263,788.79 = 105,111.77/x
  3. Step 3: Cross multiply
    191,149.02x = 263,788.79 × 105,111.77
  4. Step 4: Simplify right side
    191,149.02x = 27,727,304,778.56
  5. Step 5: Solve for x
    x = 27,727,304,778.56/191,149.02
  6. Step 6: Final answer
    x = 145,055.96

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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.