Home / 196,830.16-295,172.76-70,436.12

Finding the Fourth Proportional to 196,830.16, 295,172.76 and 70,436.12

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Solution

The fourth proportional to 196,830.16, 295,172.76 and 70,436.12 is: 105,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830.16 : 295,172.76 = 70,436.12 : x
  2. Step 2: Convert to fraction form
    196,830.16/295,172.76 = 70,436.12/x
  3. Step 3: Cross multiply
    196,830.16x = 295,172.76 × 70,436.12
  4. Step 4: Simplify right side
    196,830.16x = 20,790,823,944.09
  5. Step 5: Solve for x
    x = 20,790,823,944.09/196,830.16
  6. Step 6: Final answer
    x = 105,628.24

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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.