Home / 348,133.92-480,582.23-219,261.79

Finding the Fourth Proportional to 348,133.92, 480,582.23 and 219,261.79

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Solution

The fourth proportional to 348,133.92, 480,582.23 and 219,261.79 is: 302,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,133.92 : 480,582.23 = 219,261.79 : x
  2. Step 2: Convert to fraction form
    348,133.92/480,582.23 = 219,261.79/x
  3. Step 3: Cross multiply
    348,133.92x = 480,582.23 × 219,261.79
  4. Step 4: Simplify right side
    348,133.92x = 105,373,319,496.41
  5. Step 5: Solve for x
    x = 105,373,319,496.41/348,133.92
  6. Step 6: Final answer
    x = 302,680.42

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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.