Home / 291,548.42-437,384-165,249.18

Finding the Fourth Proportional to 291,548.42, 437,384 and 165,249.18

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Solution

The fourth proportional to 291,548.42, 437,384 and 165,249.18 is: 247,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,548.42 : 437,384 = 165,249.18 : x
  2. Step 2: Convert to fraction form
    291,548.42/437,384 = 165,249.18/x
  3. Step 3: Cross multiply
    291,548.42x = 437,384 × 165,249.18
  4. Step 4: Simplify right side
    291,548.42x = 72,277,347,345.12
  5. Step 5: Solve for x
    x = 72,277,347,345.12/291,548.42
  6. Step 6: Final answer
    x = 247,908.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.