Home / 277,829.84-383,407.02-150,505.36

Finding the Fourth Proportional to 277,829.84, 383,407.02 and 150,505.36

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Solution

The fourth proportional to 277,829.84, 383,407.02 and 150,505.36 is: 207,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,829.84 : 383,407.02 = 150,505.36 : x
  2. Step 2: Convert to fraction form
    277,829.84/383,407.02 = 150,505.36/x
  3. Step 3: Cross multiply
    277,829.84x = 383,407.02 × 150,505.36
  4. Step 4: Simplify right side
    277,829.84x = 57,704,811,571.63
  5. Step 5: Solve for x
    x = 57,704,811,571.63/277,829.84
  6. Step 6: Final answer
    x = 207,698.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.