Home / 178,940.07-268,403.09-60,611.40

Finding the Fourth Proportional to 178,940.07, 268,403.09 and 60,611.40

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Solution

The fourth proportional to 178,940.07, 268,403.09 and 60,611.40 is: 90,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,940.07 : 268,403.09 = 60,611.40 : x
  2. Step 2: Convert to fraction form
    178,940.07/268,403.09 = 60,611.40/x
  3. Step 3: Cross multiply
    178,940.07x = 268,403.09 × 60,611.40
  4. Step 4: Simplify right side
    178,940.07x = 16,268,286,746.17
  5. Step 5: Solve for x
    x = 16,268,286,746.17/178,940.07
  6. Step 6: Final answer
    x = 90,914.72

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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.