Home / 351,076.90-484,483.38-189,931.45

Finding the Fourth Proportional to 351,076.90, 484,483.38 and 189,931.45

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Solution

The fourth proportional to 351,076.90, 484,483.38 and 189,931.45 is: 262,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,076.90 : 484,483.38 = 189,931.45 : x
  2. Step 2: Convert to fraction form
    351,076.90/484,483.38 = 189,931.45/x
  3. Step 3: Cross multiply
    351,076.90x = 484,483.38 × 189,931.45
  4. Step 4: Simplify right side
    351,076.90x = 92,018,628,441.88
  5. Step 5: Solve for x
    x = 92,018,628,441.88/351,076.90
  6. Step 6: Final answer
    x = 262,103.91

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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.