Home / 185,038.48-277,551.78-78,393.97

Finding the Fourth Proportional to 185,038.48, 277,551.78 and 78,393.97

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Solution

The fourth proportional to 185,038.48, 277,551.78 and 78,393.97 is: 117,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,038.48 : 277,551.78 = 78,393.97 : x
  2. Step 2: Convert to fraction form
    185,038.48/277,551.78 = 78,393.97/x
  3. Step 3: Cross multiply
    185,038.48x = 277,551.78 × 78,393.97
  4. Step 4: Simplify right side
    185,038.48x = 21,758,385,914.77
  5. Step 5: Solve for x
    x = 21,758,385,914.77/185,038.48
  6. Step 6: Final answer
    x = 117,588.44

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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.