Home / 199,712.13-275,476.18-151,860.57

Finding the Fourth Proportional to 199,712.13, 275,476.18 and 151,860.57

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Solution

The fourth proportional to 199,712.13, 275,476.18 and 151,860.57 is: 209,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712.13 : 275,476.18 = 151,860.57 : x
  2. Step 2: Convert to fraction form
    199,712.13/275,476.18 = 151,860.57/x
  3. Step 3: Cross multiply
    199,712.13x = 275,476.18 × 151,860.57
  4. Step 4: Simplify right side
    199,712.13x = 41,833,969,716.22
  5. Step 5: Solve for x
    x = 41,833,969,716.22/199,712.13
  6. Step 6: Final answer
    x = 209,471.35

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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.