Home / 192,618.91-265,799.65-107,719.57

Finding the Fourth Proportional to 192,618.91, 265,799.65 and 107,719.57

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Solution

The fourth proportional to 192,618.91, 265,799.65 and 107,719.57 is: 148,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,618.91 : 265,799.65 = 107,719.57 : x
  2. Step 2: Convert to fraction form
    192,618.91/265,799.65 = 107,719.57/x
  3. Step 3: Cross multiply
    192,618.91x = 265,799.65 × 107,719.57
  4. Step 4: Simplify right side
    192,618.91x = 28,631,824,004.15
  5. Step 5: Solve for x
    x = 28,631,824,004.15/192,618.91
  6. Step 6: Final answer
    x = 148,644.93

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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.