Home / 129,392.48-194,088.60-58,231.94

Finding the Fourth Proportional to 129,392.48, 194,088.60 and 58,231.94

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Solution

The fourth proportional to 129,392.48, 194,088.60 and 58,231.94 is: 87,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,392.48 : 194,088.60 = 58,231.94 : x
  2. Step 2: Convert to fraction form
    129,392.48/194,088.60 = 58,231.94/x
  3. Step 3: Cross multiply
    129,392.48x = 194,088.60 × 58,231.94
  4. Step 4: Simplify right side
    129,392.48x = 11,302,155,709.88
  5. Step 5: Solve for x
    x = 11,302,155,709.88/129,392.48
  6. Step 6: Final answer
    x = 87,347.86

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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.