Home / 157,431.75-236,187.60-46,623.75

Finding the Fourth Proportional to 157,431.75, 236,187.60 and 46,623.75

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Solution

The fourth proportional to 157,431.75, 236,187.60 and 46,623.75 is: 69,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,431.75 : 236,187.60 = 46,623.75 : x
  2. Step 2: Convert to fraction form
    157,431.75/236,187.60 = 46,623.75/x
  3. Step 3: Cross multiply
    157,431.75x = 236,187.60 × 46,623.75
  4. Step 4: Simplify right side
    157,431.75x = 11,011,951,615.50
  5. Step 5: Solve for x
    x = 11,011,951,615.50/157,431.75
  6. Step 6: Final answer
    x = 69,947.46

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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.