Home / 145,112.37-217,627.23-56,346.90

Finding the Fourth Proportional to 145,112.37, 217,627.23 and 56,346.90

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Solution

The fourth proportional to 145,112.37, 217,627.23 and 56,346.90 is: 84,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,112.37 : 217,627.23 = 56,346.90 : x
  2. Step 2: Convert to fraction form
    145,112.37/217,627.23 = 56,346.90/x
  3. Step 3: Cross multiply
    145,112.37x = 217,627.23 × 56,346.90
  4. Step 4: Simplify right side
    145,112.37x = 12,262,619,766.09
  5. Step 5: Solve for x
    x = 12,262,619,766.09/145,112.37
  6. Step 6: Final answer
    x = 84,504.30

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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.