Home / 191,505.93-263,707.56-187,257.48

Finding the Fourth Proportional to 191,505.93, 263,707.56 and 187,257.48

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Solution

The fourth proportional to 191,505.93, 263,707.56 and 187,257.48 is: 257,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,505.93 : 263,707.56 = 187,257.48 : x
  2. Step 2: Convert to fraction form
    191,505.93/263,707.56 = 187,257.48/x
  3. Step 3: Cross multiply
    191,505.93x = 263,707.56 × 187,257.48
  4. Step 4: Simplify right side
    191,505.93x = 49,381,213,142.55
  5. Step 5: Solve for x
    x = 49,381,213,142.55/191,505.93
  6. Step 6: Final answer
    x = 257,857.36

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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.