Home / 129,588.10-194,468.55-59,431.30

Finding the Fourth Proportional to 129,588.10, 194,468.55 and 59,431.30

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Solution

The fourth proportional to 129,588.10, 194,468.55 and 59,431.30 is: 89,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,588.10 : 194,468.55 = 59,431.30 : x
  2. Step 2: Convert to fraction form
    129,588.10/194,468.55 = 59,431.30/x
  3. Step 3: Cross multiply
    129,588.10x = 194,468.55 × 59,431.30
  4. Step 4: Simplify right side
    129,588.10x = 11,557,518,735.62
  5. Step 5: Solve for x
    x = 11,557,518,735.62/129,588.10
  6. Step 6: Final answer
    x = 89,186.57

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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.