Home / 205,073.16-307,607.82-64,831.80

Finding the Fourth Proportional to 205,073.16, 307,607.82 and 64,831.80

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Solution

The fourth proportional to 205,073.16, 307,607.82 and 64,831.80 is: 97,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,073.16 : 307,607.82 = 64,831.80 : x
  2. Step 2: Convert to fraction form
    205,073.16/307,607.82 = 64,831.80/x
  3. Step 3: Cross multiply
    205,073.16x = 307,607.82 × 64,831.80
  4. Step 4: Simplify right side
    205,073.16x = 19,942,768,664.68
  5. Step 5: Solve for x
    x = 19,942,768,664.68/205,073.16
  6. Step 6: Final answer
    x = 97,247.09

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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.