Home / 143,559.24-215,353.59-54,887.32

Finding the Fourth Proportional to 143,559.24, 215,353.59 and 54,887.32

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Solution

The fourth proportional to 143,559.24, 215,353.59 and 54,887.32 is: 82,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,559.24 : 215,353.59 = 54,887.32 : x
  2. Step 2: Convert to fraction form
    143,559.24/215,353.59 = 54,887.32/x
  3. Step 3: Cross multiply
    143,559.24x = 215,353.59 × 54,887.32
  4. Step 4: Simplify right side
    143,559.24x = 11,820,181,470.84
  5. Step 5: Solve for x
    x = 11,820,181,470.84/143,559.24
  6. Step 6: Final answer
    x = 82,336.61

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1.5x scale

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.