Home / 147,527.80-221,401.05-108,161.80

Finding the Fourth Proportional to 147,527.80, 221,401.05 and 108,161.80

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Solution

The fourth proportional to 147,527.80, 221,401.05 and 108,161.80 is: 162,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,527.80 : 221,401.05 = 108,161.80 : x
  2. Step 2: Convert to fraction form
    147,527.80/221,401.05 = 108,161.80/x
  3. Step 3: Cross multiply
    147,527.80x = 221,401.05 × 108,161.80
  4. Step 4: Simplify right side
    147,527.80x = 23,947,136,089.89
  5. Step 5: Solve for x
    x = 23,947,136,089.89/147,527.80
  6. Step 6: Final answer
    x = 162,322.87

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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.