Home / 126,905.98-190,359.40-32,136.12

Finding the Fourth Proportional to 126,905.98, 190,359.40 and 32,136.12

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Solution

The fourth proportional to 126,905.98, 190,359.40 and 32,136.12 is: 48,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,905.98 : 190,359.40 = 32,136.12 : x
  2. Step 2: Convert to fraction form
    126,905.98/190,359.40 = 32,136.12/x
  3. Step 3: Cross multiply
    126,905.98x = 190,359.40 × 32,136.12
  4. Step 4: Simplify right side
    126,905.98x = 6,117,412,521.53
  5. Step 5: Solve for x
    x = 6,117,412,521.53/126,905.98
  6. Step 6: Final answer
    x = 48,204.29

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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.