Home / 192,071.56-265,058.99-107,188.69

Finding the Fourth Proportional to 192,071.56, 265,058.99 and 107,188.69

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Solution

The fourth proportional to 192,071.56, 265,058.99 and 107,188.69 is: 147,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,071.56 : 265,058.99 = 107,188.69 : x
  2. Step 2: Convert to fraction form
    192,071.56/265,058.99 = 107,188.69/x
  3. Step 3: Cross multiply
    192,071.56x = 265,058.99 × 107,188.69
  4. Step 4: Simplify right side
    192,071.56x = 28,411,325,910.82
  5. Step 5: Solve for x
    x = 28,411,325,910.82/192,071.56
  6. Step 6: Final answer
    x = 147,920.52

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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.