Home / 105,442.92-158,222.88-43,157.16

Finding the Fourth Proportional to 105,442.92, 158,222.88 and 43,157.16

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Solution

The fourth proportional to 105,442.92, 158,222.88 and 43,157.16 is: 64,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,442.92 : 158,222.88 = 43,157.16 : x
  2. Step 2: Convert to fraction form
    105,442.92/158,222.88 = 43,157.16/x
  3. Step 3: Cross multiply
    105,442.92x = 158,222.88 × 43,157.16
  4. Step 4: Simplify right side
    105,442.92x = 6,828,450,147.82
  5. Step 5: Solve for x
    x = 6,828,450,147.82/105,442.92
  6. Step 6: Final answer
    x = 64,759.68

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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.