Home / 197,128.16-295,694.40-56,888

Finding the Fourth Proportional to 197,128.16, 295,694.40 and 56,888

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Solution

The fourth proportional to 197,128.16, 295,694.40 and 56,888 is: 85,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,128.16 : 295,694.40 = 56,888 : x
  2. Step 2: Convert to fraction form
    197,128.16/295,694.40 = 56,888/x
  3. Step 3: Cross multiply
    197,128.16x = 295,694.40 × 56,888
  4. Step 4: Simplify right side
    197,128.16x = 16,821,463,027.20
  5. Step 5: Solve for x
    x = 16,821,463,027.20/197,128.16
  6. Step 6: Final answer
    x = 85,332.62

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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.