Home / 143,853.36-216,136.96-93,284.56

Finding the Fourth Proportional to 143,853.36, 216,136.96 and 93,284.56

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Solution

The fourth proportional to 143,853.36, 216,136.96 and 93,284.56 is: 140,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,853.36 : 216,136.96 = 93,284.56 : x
  2. Step 2: Convert to fraction form
    143,853.36/216,136.96 = 93,284.56/x
  3. Step 3: Cross multiply
    143,853.36x = 216,136.96 × 93,284.56
  4. Step 4: Simplify right side
    143,853.36x = 20,162,241,213.34
  5. Step 5: Solve for x
    x = 20,162,241,213.34/143,853.36
  6. Step 6: Final answer
    x = 140,158.29

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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.