Home / 288,268.11-397,975.96-191,603.01

Finding the Fourth Proportional to 288,268.11, 397,975.96 and 191,603.01

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Solution

The fourth proportional to 288,268.11, 397,975.96 and 191,603.01 is: 264,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,268.11 : 397,975.96 = 191,603.01 : x
  2. Step 2: Convert to fraction form
    288,268.11/397,975.96 = 191,603.01/x
  3. Step 3: Cross multiply
    288,268.11x = 397,975.96 × 191,603.01
  4. Step 4: Simplify right side
    288,268.11x = 76,253,391,364.63
  5. Step 5: Solve for x
    x = 76,253,391,364.63/288,268.11
  6. Step 6: Final answer
    x = 264,522.47

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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.