Home / 186,558.36-279,919.98-97,790.64

Finding the Fourth Proportional to 186,558.36, 279,919.98 and 97,790.64

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Solution

The fourth proportional to 186,558.36, 279,919.98 and 97,790.64 is: 146,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,558.36 : 279,919.98 = 97,790.64 : x
  2. Step 2: Convert to fraction form
    186,558.36/279,919.98 = 97,790.64/x
  3. Step 3: Cross multiply
    186,558.36x = 279,919.98 × 97,790.64
  4. Step 4: Simplify right side
    186,558.36x = 27,373,553,992.99
  5. Step 5: Solve for x
    x = 27,373,553,992.99/186,558.36
  6. Step 6: Final answer
    x = 146,729.17

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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.