Home / 221,623.07-332,434.60-55,411.07

Finding the Fourth Proportional to 221,623.07, 332,434.60 and 55,411.07

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Solution

The fourth proportional to 221,623.07, 332,434.60 and 55,411.07 is: 83,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,623.07 : 332,434.60 = 55,411.07 : x
  2. Step 2: Convert to fraction form
    221,623.07/332,434.60 = 55,411.07/x
  3. Step 3: Cross multiply
    221,623.07x = 332,434.60 × 55,411.07
  4. Step 4: Simplify right side
    221,623.07x = 18,420,554,951.79
  5. Step 5: Solve for x
    x = 18,420,554,951.79/221,623.07
  6. Step 6: Final answer
    x = 83,116.60

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1.5x scale

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.