Home / 143,772.37-215,658.51-38,591.32

Finding the Fourth Proportional to 143,772.37, 215,658.51 and 38,591.32

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Solution

The fourth proportional to 143,772.37, 215,658.51 and 38,591.32 is: 57,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,772.37 : 215,658.51 = 38,591.32 : x
  2. Step 2: Convert to fraction form
    143,772.37/215,658.51 = 38,591.32/x
  3. Step 3: Cross multiply
    143,772.37x = 215,658.51 × 38,591.32
  4. Step 4: Simplify right side
    143,772.37x = 8,322,546,570.13
  5. Step 5: Solve for x
    x = 8,322,546,570.13/143,772.37
  6. Step 6: Final answer
    x = 57,886.97

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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.