Home / 131,003.78-196,547.21-46,762.09

Finding the Fourth Proportional to 131,003.78, 196,547.21 and 46,762.09

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Solution

The fourth proportional to 131,003.78, 196,547.21 and 46,762.09 is: 70,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,003.78 : 196,547.21 = 46,762.09 : x
  2. Step 2: Convert to fraction form
    131,003.78/196,547.21 = 46,762.09/x
  3. Step 3: Cross multiply
    131,003.78x = 196,547.21 × 46,762.09
  4. Step 4: Simplify right side
    131,003.78x = 9,190,957,773.45
  5. Step 5: Solve for x
    x = 9,190,957,773.45/131,003.78
  6. Step 6: Final answer
    x = 70,157.96

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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.