Home / 302,784.12-417,843.36-173,727.72

Finding the Fourth Proportional to 302,784.12, 417,843.36 and 173,727.72

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Solution

The fourth proportional to 302,784.12, 417,843.36 and 173,727.72 is: 239,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,784.12 : 417,843.36 = 173,727.72 : x
  2. Step 2: Convert to fraction form
    302,784.12/417,843.36 = 173,727.72/x
  3. Step 3: Cross multiply
    302,784.12x = 417,843.36 × 173,727.72
  4. Step 4: Simplify right side
    302,784.12x = 72,590,974,249.94
  5. Step 5: Solve for x
    x = 72,590,974,249.94/302,784.12
  6. Step 6: Final answer
    x = 239,744.98

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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.