Home / 192,391.12-265,501.08-107,511.76

Finding the Fourth Proportional to 192,391.12, 265,501.08 and 107,511.76

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Solution

The fourth proportional to 192,391.12, 265,501.08 and 107,511.76 is: 148,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,391.12 : 265,501.08 = 107,511.76 : x
  2. Step 2: Convert to fraction form
    192,391.12/265,501.08 = 107,511.76/x
  3. Step 3: Cross multiply
    192,391.12x = 265,501.08 × 107,511.76
  4. Step 4: Simplify right side
    192,391.12x = 28,544,488,392.70
  5. Step 5: Solve for x
    x = 28,544,488,392.70/192,391.12
  6. Step 6: Final answer
    x = 148,366.97

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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.