Home / 255,936.40-383,386.20-144,998.80

Finding the Fourth Proportional to 255,936.40, 383,386.20 and 144,998.80

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Solution

The fourth proportional to 255,936.40, 383,386.20 and 144,998.80 is: 217,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,936.40 : 383,386.20 = 144,998.80 : x
  2. Step 2: Convert to fraction form
    255,936.40/383,386.20 = 144,998.80/x
  3. Step 3: Cross multiply
    255,936.40x = 383,386.20 × 144,998.80
  4. Step 4: Simplify right side
    255,936.40x = 55,590,538,936.56
  5. Step 5: Solve for x
    x = 55,590,538,936.56/255,936.40
  6. Step 6: Final answer
    x = 217,204.50

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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.