Home / 194,410.79-291,387.06-87,669.77

Finding the Fourth Proportional to 194,410.79, 291,387.06 and 87,669.77

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Solution

The fourth proportional to 194,410.79, 291,387.06 and 87,669.77 is: 131,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,410.79 : 291,387.06 = 87,669.77 : x
  2. Step 2: Convert to fraction form
    194,410.79/291,387.06 = 87,669.77/x
  3. Step 3: Cross multiply
    194,410.79x = 291,387.06 × 87,669.77
  4. Step 4: Simplify right side
    194,410.79x = 25,545,835,074.24
  5. Step 5: Solve for x
    x = 25,545,835,074.24/194,410.79
  6. Step 6: Final answer
    x = 131,401.33

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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.