Home / 219,938.80-329,831.40-114,722.80

Finding the Fourth Proportional to 219,938.80, 329,831.40 and 114,722.80

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Solution

The fourth proportional to 219,938.80, 329,831.40 and 114,722.80 is: 172,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,938.80 : 329,831.40 = 114,722.80 : x
  2. Step 2: Convert to fraction form
    219,938.80/329,831.40 = 114,722.80/x
  3. Step 3: Cross multiply
    219,938.80x = 329,831.40 × 114,722.80
  4. Step 4: Simplify right side
    219,938.80x = 37,839,181,735.92
  5. Step 5: Solve for x
    x = 37,839,181,735.92/219,938.80
  6. Step 6: Final answer
    x = 172,044.14

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1.5x scale

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.