Home / 170,041.21-234,614.37-109,539.07

Finding the Fourth Proportional to 170,041.21, 234,614.37 and 109,539.07

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Solution

The fourth proportional to 170,041.21, 234,614.37 and 109,539.07 is: 151,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,041.21 : 234,614.37 = 109,539.07 : x
  2. Step 2: Convert to fraction form
    170,041.21/234,614.37 = 109,539.07/x
  3. Step 3: Cross multiply
    170,041.21x = 234,614.37 × 109,539.07
  4. Step 4: Simplify right side
    170,041.21x = 25,699,439,898.44
  5. Step 5: Solve for x
    x = 25,699,439,898.44/170,041.21
  6. Step 6: Final answer
    x = 151,136.54

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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.