Home / 272,096.09-406,086.49-265,010.21

Finding the Fourth Proportional to 272,096.09, 406,086.49 and 265,010.21

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Solution

The fourth proportional to 272,096.09, 406,086.49 and 265,010.21 is: 395,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,096.09 : 406,086.49 = 265,010.21 : x
  2. Step 2: Convert to fraction form
    272,096.09/406,086.49 = 265,010.21/x
  3. Step 3: Cross multiply
    272,096.09x = 406,086.49 × 265,010.21
  4. Step 4: Simplify right side
    272,096.09x = 107,617,065,993.06
  5. Step 5: Solve for x
    x = 107,617,065,993.06/272,096.09
  6. Step 6: Final answer
    x = 395,511.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.