Home / 191,262.41-263,938.44-105,216.36

Finding the Fourth Proportional to 191,262.41, 263,938.44 and 105,216.36

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Solution

The fourth proportional to 191,262.41, 263,938.44 and 105,216.36 is: 145,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,262.41 : 263,938.44 = 105,216.36 : x
  2. Step 2: Convert to fraction form
    191,262.41/263,938.44 = 105,216.36/x
  3. Step 3: Cross multiply
    191,262.41x = 263,938.44 × 105,216.36
  4. Step 4: Simplify right side
    191,262.41x = 27,770,641,325.67
  5. Step 5: Solve for x
    x = 27,770,641,325.67/191,262.41
  6. Step 6: Final answer
    x = 145,196.55

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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.