Home / 202,749.36-304,131.39-69,628.83

Finding the Fourth Proportional to 202,749.36, 304,131.39 and 69,628.83

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Solution

The fourth proportional to 202,749.36, 304,131.39 and 69,628.83 is: 104,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,749.36 : 304,131.39 = 69,628.83 : x
  2. Step 2: Convert to fraction form
    202,749.36/304,131.39 = 69,628.83/x
  3. Step 3: Cross multiply
    202,749.36x = 304,131.39 × 69,628.83
  4. Step 4: Simplify right side
    202,749.36x = 21,176,312,851.97
  5. Step 5: Solve for x
    x = 21,176,312,851.97/202,749.36
  6. Step 6: Final answer
    x = 104,445.77

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1.5x scale

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.