Home / 279,220.56-385,313.10-151,896.66

Finding the Fourth Proportional to 279,220.56, 385,313.10 and 151,896.66

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Solution

The fourth proportional to 279,220.56, 385,313.10 and 151,896.66 is: 209,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,220.56 : 385,313.10 = 151,896.66 : x
  2. Step 2: Convert to fraction form
    279,220.56/385,313.10 = 151,896.66/x
  3. Step 3: Cross multiply
    279,220.56x = 385,313.10 × 151,896.66
  4. Step 4: Simplify right side
    279,220.56x = 58,527,772,944.25
  5. Step 5: Solve for x
    x = 58,527,772,944.25/279,220.56
  6. Step 6: Final answer
    x = 209,611.26

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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.