Home / 136,466.55-188,337.69-76,047.03

Finding the Fourth Proportional to 136,466.55, 188,337.69 and 76,047.03

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Solution

The fourth proportional to 136,466.55, 188,337.69 and 76,047.03 is: 104,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,466.55 : 188,337.69 = 76,047.03 : x
  2. Step 2: Convert to fraction form
    136,466.55/188,337.69 = 76,047.03/x
  3. Step 3: Cross multiply
    136,466.55x = 188,337.69 × 76,047.03
  4. Step 4: Simplify right side
    136,466.55x = 14,322,521,961.56
  5. Step 5: Solve for x
    x = 14,322,521,961.56/136,466.55
  6. Step 6: Final answer
    x = 104,952.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.