Home / 131,024.40-196,536.60-61,040.40

Finding the Fourth Proportional to 131,024.40, 196,536.60 and 61,040.40

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Solution

The fourth proportional to 131,024.40, 196,536.60 and 61,040.40 is: 91,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,024.40 : 196,536.60 = 61,040.40 : x
  2. Step 2: Convert to fraction form
    131,024.40/196,536.60 = 61,040.40/x
  3. Step 3: Cross multiply
    131,024.40x = 196,536.60 × 61,040.40
  4. Step 4: Simplify right side
    131,024.40x = 11,996,672,678.64
  5. Step 5: Solve for x
    x = 11,996,672,678.64/131,024.40
  6. Step 6: Final answer
    x = 91,560.60

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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.