Home / 194,999.20-291,915.60-116,072.80

Finding the Fourth Proportional to 194,999.20, 291,915.60 and 116,072.80

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Solution

The fourth proportional to 194,999.20, 291,915.60 and 116,072.80 is: 173,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,999.20 : 291,915.60 = 116,072.80 : x
  2. Step 2: Convert to fraction form
    194,999.20/291,915.60 = 116,072.80/x
  3. Step 3: Cross multiply
    194,999.20x = 291,915.60 × 116,072.80
  4. Step 4: Simplify right side
    194,999.20x = 33,883,461,055.68
  5. Step 5: Solve for x
    x = 33,883,461,055.68/194,999.20
  6. Step 6: Final answer
    x = 173,762.05

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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.