Home / 445,126.81-667,223.66-164,465.05

Finding the Fourth Proportional to 445,126.81, 667,223.66 and 164,465.05

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Solution

The fourth proportional to 445,126.81, 667,223.66 and 164,465.05 is: 246,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,126.81 : 667,223.66 = 164,465.05 : x
  2. Step 2: Convert to fraction form
    445,126.81/667,223.66 = 164,465.05/x
  3. Step 3: Cross multiply
    445,126.81x = 667,223.66 × 164,465.05
  4. Step 4: Simplify right side
    445,126.81x = 109,734,971,780.76
  5. Step 5: Solve for x
    x = 109,734,971,780.76/445,126.81
  6. Step 6: Final answer
    x = 246,525.19

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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.