Home / 130,083.23-194,984.87-85,087.64

Finding the Fourth Proportional to 130,083.23, 194,984.87 and 85,087.64

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Solution

The fourth proportional to 130,083.23, 194,984.87 and 85,087.64 is: 127,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,083.23 : 194,984.87 = 85,087.64 : x
  2. Step 2: Convert to fraction form
    130,083.23/194,984.87 = 85,087.64/x
  3. Step 3: Cross multiply
    130,083.23x = 194,984.87 × 85,087.64
  4. Step 4: Simplify right side
    130,083.23x = 16,590,801,023.64
  5. Step 5: Solve for x
    x = 16,590,801,023.64/130,083.23
  6. Step 6: Final answer
    x = 127,539.90

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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.