Home / 253,173.06-379,427.36-186,300.07

Finding the Fourth Proportional to 253,173.06, 379,427.36 and 186,300.07

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Solution

The fourth proportional to 253,173.06, 379,427.36 and 186,300.07 is: 279,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,173.06 : 379,427.36 = 186,300.07 : x
  2. Step 2: Convert to fraction form
    253,173.06/379,427.36 = 186,300.07/x
  3. Step 3: Cross multiply
    253,173.06x = 379,427.36 × 186,300.07
  4. Step 4: Simplify right side
    253,173.06x = 70,687,341,847.85
  5. Step 5: Solve for x
    x = 70,687,341,847.85/253,173.06
  6. Step 6: Final answer
    x = 279,205.62

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1.5x scale

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.