Home / 131,090.34-196,648.30-52,186.08

Finding the Fourth Proportional to 131,090.34, 196,648.30 and 52,186.08

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Solution

The fourth proportional to 131,090.34, 196,648.30 and 52,186.08 is: 78,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,090.34 : 196,648.30 = 52,186.08 : x
  2. Step 2: Convert to fraction form
    131,090.34/196,648.30 = 52,186.08/x
  3. Step 3: Cross multiply
    131,090.34x = 196,648.30 × 52,186.08
  4. Step 4: Simplify right side
    131,090.34x = 10,262,303,915.66
  5. Step 5: Solve for x
    x = 10,262,303,915.66/131,090.34
  6. Step 6: Final answer
    x = 78,284.21

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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.