Home / 351,056.88-484,457.04-189,911.55

Finding the Fourth Proportional to 351,056.88, 484,457.04 and 189,911.55

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Solution

The fourth proportional to 351,056.88, 484,457.04 and 189,911.55 is: 262,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,056.88 : 484,457.04 = 189,911.55 : x
  2. Step 2: Convert to fraction form
    351,056.88/484,457.04 = 189,911.55/x
  3. Step 3: Cross multiply
    351,056.88x = 484,457.04 × 189,911.55
  4. Step 4: Simplify right side
    351,056.88x = 92,003,987,374.81
  5. Step 5: Solve for x
    x = 92,003,987,374.81/351,056.88
  6. Step 6: Final answer
    x = 262,077.15

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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.