Home / 189,093.30-261,015.57-168,915.12

Finding the Fourth Proportional to 189,093.30, 261,015.57 and 168,915.12

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Solution

The fourth proportional to 189,093.30, 261,015.57 and 168,915.12 is: 233,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,093.30 : 261,015.57 = 168,915.12 : x
  2. Step 2: Convert to fraction form
    189,093.30/261,015.57 = 168,915.12/x
  3. Step 3: Cross multiply
    189,093.30x = 261,015.57 × 168,915.12
  4. Step 4: Simplify right side
    189,093.30x = 44,089,476,328.42
  5. Step 5: Solve for x
    x = 44,089,476,328.42/189,093.30
  6. Step 6: Final answer
    x = 233,162.55

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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.