Home / 349,642.12-482,041.58-228,575.27

Finding the Fourth Proportional to 349,642.12, 482,041.58 and 228,575.27

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Solution

The fourth proportional to 349,642.12, 482,041.58 and 228,575.27 is: 315,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,642.12 : 482,041.58 = 228,575.27 : x
  2. Step 2: Convert to fraction form
    349,642.12/482,041.58 = 228,575.27/x
  3. Step 3: Cross multiply
    349,642.12x = 482,041.58 × 228,575.27
  4. Step 4: Simplify right side
    349,642.12x = 110,182,782,936.21
  5. Step 5: Solve for x
    x = 110,182,782,936.21/349,642.12
  6. Step 6: Final answer
    x = 315,130.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.