Home / 277,701.36-383,231.60-155,188.36

Finding the Fourth Proportional to 277,701.36, 383,231.60 and 155,188.36

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Solution

The fourth proportional to 277,701.36, 383,231.60 and 155,188.36 is: 214,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,701.36 : 383,231.60 = 155,188.36 : x
  2. Step 2: Convert to fraction form
    277,701.36/383,231.60 = 155,188.36/x
  3. Step 3: Cross multiply
    277,701.36x = 383,231.60 × 155,188.36
  4. Step 4: Simplify right side
    277,701.36x = 59,473,080,812.08
  5. Step 5: Solve for x
    x = 59,473,080,812.08/277,701.36
  6. Step 6: Final answer
    x = 214,162.01

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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.