Home / 147,401.18-221,106.10-40,786.01

Finding the Fourth Proportional to 147,401.18, 221,106.10 and 40,786.01

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Solution

The fourth proportional to 147,401.18, 221,106.10 and 40,786.01 is: 61,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,401.18 : 221,106.10 = 40,786.01 : x
  2. Step 2: Convert to fraction form
    147,401.18/221,106.10 = 40,786.01/x
  3. Step 3: Cross multiply
    147,401.18x = 221,106.10 × 40,786.01
  4. Step 4: Simplify right side
    147,401.18x = 9,018,036,052.44
  5. Step 5: Solve for x
    x = 9,018,036,052.44/147,401.18
  6. Step 6: Final answer
    x = 61,180.22

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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.