Home / 197,064.92-295,603.68-77,117.12

Finding the Fourth Proportional to 197,064.92, 295,603.68 and 77,117.12

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Solution

The fourth proportional to 197,064.92, 295,603.68 and 77,117.12 is: 115,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,064.92 : 295,603.68 = 77,117.12 : x
  2. Step 2: Convert to fraction form
    197,064.92/295,603.68 = 77,117.12/x
  3. Step 3: Cross multiply
    197,064.92x = 295,603.68 × 77,117.12
  4. Step 4: Simplify right side
    197,064.92x = 22,796,104,463.00
  5. Step 5: Solve for x
    x = 22,796,104,463.00/197,064.92
  6. Step 6: Final answer
    x = 115,678.15

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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.