Home / 105,743.16-158,650.27-39,188.66

Finding the Fourth Proportional to 105,743.16, 158,650.27 and 39,188.66

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Solution

The fourth proportional to 105,743.16, 158,650.27 and 39,188.66 is: 58,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,743.16 : 158,650.27 = 39,188.66 : x
  2. Step 2: Convert to fraction form
    105,743.16/158,650.27 = 39,188.66/x
  3. Step 3: Cross multiply
    105,743.16x = 158,650.27 × 39,188.66
  4. Step 4: Simplify right side
    105,743.16x = 6,217,290,598.72
  5. Step 5: Solve for x
    x = 6,217,290,598.72/105,743.16
  6. Step 6: Final answer
    x = 58,796.15

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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.