Home / 259,136.97-357,621.21-151,741.62

Finding the Fourth Proportional to 259,136.97, 357,621.21 and 151,741.62

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Solution

The fourth proportional to 259,136.97, 357,621.21 and 151,741.62 is: 209,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,136.97 : 357,621.21 = 151,741.62 : x
  2. Step 2: Convert to fraction form
    259,136.97/357,621.21 = 151,741.62/x
  3. Step 3: Cross multiply
    259,136.97x = 357,621.21 × 151,741.62
  4. Step 4: Simplify right side
    259,136.97x = 54,266,021,751.76
  5. Step 5: Solve for x
    x = 54,266,021,751.76/259,136.97
  6. Step 6: Final answer
    x = 209,410.57

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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.