Home / 545,346.11-818,392.83-190,360.10

Finding the Fourth Proportional to 545,346.11, 818,392.83 and 190,360.10

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Solution

The fourth proportional to 545,346.11, 818,392.83 and 190,360.10 is: 285,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,346.11 : 818,392.83 = 190,360.10 : x
  2. Step 2: Convert to fraction form
    545,346.11/818,392.83 = 190,360.10/x
  3. Step 3: Cross multiply
    545,346.11x = 818,392.83 × 190,360.10
  4. Step 4: Simplify right side
    545,346.11x = 155,789,336,866.12
  5. Step 5: Solve for x
    x = 155,789,336,866.12/545,346.11
  6. Step 6: Final answer
    x = 285,670.58

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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.