Home / 538,847.20-808,289.89-134,041.51

Finding the Fourth Proportional to 538,847.20, 808,289.89 and 134,041.51

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Solution

The fourth proportional to 538,847.20, 808,289.89 and 134,041.51 is: 201,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,847.20 : 808,289.89 = 134,041.51 : x
  2. Step 2: Convert to fraction form
    538,847.20/808,289.89 = 134,041.51/x
  3. Step 3: Cross multiply
    538,847.20x = 808,289.89 × 134,041.51
  4. Step 4: Simplify right side
    538,847.20x = 108,344,401,172.99
  5. Step 5: Solve for x
    x = 108,344,401,172.99/538,847.20
  6. Step 6: Final answer
    x = 201,067.02

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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.