Home / 185,169.15-255,532.16-100,284.51

Finding the Fourth Proportional to 185,169.15, 255,532.16 and 100,284.51

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Solution

The fourth proportional to 185,169.15, 255,532.16 and 100,284.51 is: 138,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,169.15 : 255,532.16 = 100,284.51 : x
  2. Step 2: Convert to fraction form
    185,169.15/255,532.16 = 100,284.51/x
  3. Step 3: Cross multiply
    185,169.15x = 255,532.16 × 100,284.51
  4. Step 4: Simplify right side
    185,169.15x = 25,625,916,953.42
  5. Step 5: Solve for x
    x = 25,625,916,953.42/185,169.15
  6. Step 6: Final answer
    x = 138,391.93

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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.