Home / 201,682.15-302,523.23-83,438.35

Finding the Fourth Proportional to 201,682.15, 302,523.23 and 83,438.35

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Solution

The fourth proportional to 201,682.15, 302,523.23 and 83,438.35 is: 125,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,682.15 : 302,523.23 = 83,438.35 : x
  2. Step 2: Convert to fraction form
    201,682.15/302,523.23 = 83,438.35/x
  3. Step 3: Cross multiply
    201,682.15x = 302,523.23 × 83,438.35
  4. Step 4: Simplify right side
    201,682.15x = 25,242,039,147.87
  5. Step 5: Solve for x
    x = 25,242,039,147.87/201,682.15
  6. Step 6: Final answer
    x = 125,157.53

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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.