Home / 105,464.82-158,197.23-43,135.32

Finding the Fourth Proportional to 105,464.82, 158,197.23 and 43,135.32

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Solution

The fourth proportional to 105,464.82, 158,197.23 and 43,135.32 is: 64,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,464.82 : 158,197.23 = 43,135.32 : x
  2. Step 2: Convert to fraction form
    105,464.82/158,197.23 = 43,135.32/x
  3. Step 3: Cross multiply
    105,464.82x = 158,197.23 × 43,135.32
  4. Step 4: Simplify right side
    105,464.82x = 6,823,888,139.16
  5. Step 5: Solve for x
    x = 6,823,888,139.16/105,464.82
  6. Step 6: Final answer
    x = 64,702.98

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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.