Home / 145,523.13-200,846.43-84,260.40

Finding the Fourth Proportional to 145,523.13, 200,846.43 and 84,260.40

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Solution

The fourth proportional to 145,523.13, 200,846.43 and 84,260.40 is: 116,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523.13 : 200,846.43 = 84,260.40 : x
  2. Step 2: Convert to fraction form
    145,523.13/200,846.43 = 84,260.40/x
  3. Step 3: Cross multiply
    145,523.13x = 200,846.43 × 84,260.40
  4. Step 4: Simplify right side
    145,523.13x = 16,923,400,530.37
  5. Step 5: Solve for x
    x = 16,923,400,530.37/145,523.13
  6. Step 6: Final answer
    x = 116,293.54

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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.