Home / 140,968.96-211,570.08-105,795.52

Finding the Fourth Proportional to 140,968.96, 211,570.08 and 105,795.52

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Solution

The fourth proportional to 140,968.96, 211,570.08 and 105,795.52 is: 158,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,968.96 : 211,570.08 = 105,795.52 : x
  2. Step 2: Convert to fraction form
    140,968.96/211,570.08 = 105,795.52/x
  3. Step 3: Cross multiply
    140,968.96x = 211,570.08 × 105,795.52
  4. Step 4: Simplify right side
    140,968.96x = 22,383,166,630.04
  5. Step 5: Solve for x
    x = 22,383,166,630.04/140,968.96
  6. Step 6: Final answer
    x = 158,780.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.