Home / 141,869.37-212,808.51-53,105.93

Finding the Fourth Proportional to 141,869.37, 212,808.51 and 53,105.93

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Solution

The fourth proportional to 141,869.37, 212,808.51 and 53,105.93 is: 79,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,869.37 : 212,808.51 = 53,105.93 : x
  2. Step 2: Convert to fraction form
    141,869.37/212,808.51 = 53,105.93/x
  3. Step 3: Cross multiply
    141,869.37x = 212,808.51 × 53,105.93
  4. Step 4: Simplify right side
    141,869.37x = 11,301,392,771.42
  5. Step 5: Solve for x
    x = 11,301,392,771.42/141,869.37
  6. Step 6: Final answer
    x = 79,660.56

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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.