Home / 196,971.94-295,429.96-112,457.76

Finding the Fourth Proportional to 196,971.94, 295,429.96 and 112,457.76

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Solution

The fourth proportional to 196,971.94, 295,429.96 and 112,457.76 is: 168,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,971.94 : 295,429.96 = 112,457.76 : x
  2. Step 2: Convert to fraction form
    196,971.94/295,429.96 = 112,457.76/x
  3. Step 3: Cross multiply
    196,971.94x = 295,429.96 × 112,457.76
  4. Step 4: Simplify right side
    196,971.94x = 33,223,391,538.49
  5. Step 5: Solve for x
    x = 33,223,391,538.49/196,971.94
  6. Step 6: Final answer
    x = 168,670.68

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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.