Home / 199,719.63-275,486.54-151,868.07

Finding the Fourth Proportional to 199,719.63, 275,486.54 and 151,868.07

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Solution

The fourth proportional to 199,719.63, 275,486.54 and 151,868.07 is: 209,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,719.63 : 275,486.54 = 151,868.07 : x
  2. Step 2: Convert to fraction form
    199,719.63/275,486.54 = 151,868.07/x
  3. Step 3: Cross multiply
    199,719.63x = 275,486.54 × 151,868.07
  4. Step 4: Simplify right side
    199,719.63x = 41,837,608,381.44
  5. Step 5: Solve for x
    x = 41,837,608,381.44/199,719.63
  6. Step 6: Final answer
    x = 209,481.70

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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.