Home / 188,827.47-260,587.77-102,792.18

Finding the Fourth Proportional to 188,827.47, 260,587.77 and 102,792.18

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Solution

The fourth proportional to 188,827.47, 260,587.77 and 102,792.18 is: 141,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,827.47 : 260,587.77 = 102,792.18 : x
  2. Step 2: Convert to fraction form
    188,827.47/260,587.77 = 102,792.18/x
  3. Step 3: Cross multiply
    188,827.47x = 260,587.77 × 102,792.18
  4. Step 4: Simplify right side
    188,827.47x = 26,786,383,656.70
  5. Step 5: Solve for x
    x = 26,786,383,656.70/188,827.47
  6. Step 6: Final answer
    x = 141,856.40

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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.