Home / 105,431.94-158,527.26-97,212.51

Finding the Fourth Proportional to 105,431.94, 158,527.26 and 97,212.51

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Solution

The fourth proportional to 105,431.94, 158,527.26 and 97,212.51 is: 146,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,431.94 : 158,527.26 = 97,212.51 : x
  2. Step 2: Convert to fraction form
    105,431.94/158,527.26 = 97,212.51/x
  3. Step 3: Cross multiply
    105,431.94x = 158,527.26 × 97,212.51
  4. Step 4: Simplify right side
    105,431.94x = 15,410,832,848.02
  5. Step 5: Solve for x
    x = 15,410,832,848.02/105,431.94
  6. Step 6: Final answer
    x = 146,168.54

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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.