Home / 185,143.23-255,498.48-104,571.72

Finding the Fourth Proportional to 185,143.23, 255,498.48 and 104,571.72

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Solution

The fourth proportional to 185,143.23, 255,498.48 and 104,571.72 is: 144,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,143.23 : 255,498.48 = 104,571.72 : x
  2. Step 2: Convert to fraction form
    185,143.23/255,498.48 = 104,571.72/x
  3. Step 3: Cross multiply
    185,143.23x = 255,498.48 × 104,571.72
  4. Step 4: Simplify right side
    185,143.23x = 26,717,915,510.99
  5. Step 5: Solve for x
    x = 26,717,915,510.99/185,143.23
  6. Step 6: Final answer
    x = 144,309.44

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1.5x scale

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.