Home / 141,408.08-212,056.53-51,429.43

Finding the Fourth Proportional to 141,408.08, 212,056.53 and 51,429.43

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Solution

The fourth proportional to 141,408.08, 212,056.53 and 51,429.43 is: 77,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,408.08 : 212,056.53 = 51,429.43 : x
  2. Step 2: Convert to fraction form
    141,408.08/212,056.53 = 51,429.43/x
  3. Step 3: Cross multiply
    141,408.08x = 212,056.53 × 51,429.43
  4. Step 4: Simplify right side
    141,408.08x = 10,905,946,827.18
  5. Step 5: Solve for x
    x = 10,905,946,827.18/141,408.08
  6. Step 6: Final answer
    x = 77,123.93

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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.