Home / 185,136.90-277,675.65-66,747.30

Finding the Fourth Proportional to 185,136.90, 277,675.65 and 66,747.30

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Solution

The fourth proportional to 185,136.90, 277,675.65 and 66,747.30 is: 100,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,136.90 : 277,675.65 = 66,747.30 : x
  2. Step 2: Convert to fraction form
    185,136.90/277,675.65 = 66,747.30/x
  3. Step 3: Cross multiply
    185,136.90x = 277,675.65 × 66,747.30
  4. Step 4: Simplify right side
    185,136.90x = 18,534,099,913.25
  5. Step 5: Solve for x
    x = 18,534,099,913.25/185,136.90
  6. Step 6: Final answer
    x = 100,110.24

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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.