Home / 277,749.56-416,645.94-90,779.96

Finding the Fourth Proportional to 277,749.56, 416,645.94 and 90,779.96

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Solution

The fourth proportional to 277,749.56, 416,645.94 and 90,779.96 is: 136,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,749.56 : 416,645.94 = 90,779.96 : x
  2. Step 2: Convert to fraction form
    277,749.56/416,645.94 = 90,779.96/x
  3. Step 3: Cross multiply
    277,749.56x = 416,645.94 × 90,779.96
  4. Step 4: Simplify right side
    277,749.56x = 37,823,101,767.36
  5. Step 5: Solve for x
    x = 37,823,101,767.36/277,749.56
  6. Step 6: Final answer
    x = 136,177.00

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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.