Home / 185,128.23-255,477.75-104,556.72

Finding the Fourth Proportional to 185,128.23, 255,477.75 and 104,556.72

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Solution

The fourth proportional to 185,128.23, 255,477.75 and 104,556.72 is: 144,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,128.23 : 255,477.75 = 104,556.72 : x
  2. Step 2: Convert to fraction form
    185,128.23/255,477.75 = 104,556.72/x
  3. Step 3: Cross multiply
    185,128.23x = 255,477.75 × 104,556.72
  4. Step 4: Simplify right side
    185,128.23x = 26,711,915,572.98
  5. Step 5: Solve for x
    x = 26,711,915,572.98/185,128.23
  6. Step 6: Final answer
    x = 144,288.72

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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.