Home / 149,501.56-206,362.14-89,091.16

Finding the Fourth Proportional to 149,501.56, 206,362.14 and 89,091.16

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Solution

The fourth proportional to 149,501.56, 206,362.14 and 89,091.16 is: 122,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,501.56 : 206,362.14 = 89,091.16 : x
  2. Step 2: Convert to fraction form
    149,501.56/206,362.14 = 89,091.16/x
  3. Step 3: Cross multiply
    149,501.56x = 206,362.14 × 89,091.16
  4. Step 4: Simplify right side
    149,501.56x = 18,385,042,432.68
  5. Step 5: Solve for x
    x = 18,385,042,432.68/149,501.56
  6. Step 6: Final answer
    x = 122,975.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.