Home / 147,136.26-220,703.22-97,438.74

Finding the Fourth Proportional to 147,136.26, 220,703.22 and 97,438.74

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Solution

The fourth proportional to 147,136.26, 220,703.22 and 97,438.74 is: 146,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,136.26 : 220,703.22 = 97,438.74 : x
  2. Step 2: Convert to fraction form
    147,136.26/220,703.22 = 97,438.74/x
  3. Step 3: Cross multiply
    147,136.26x = 220,703.22 × 97,438.74
  4. Step 4: Simplify right side
    147,136.26x = 21,505,043,670.74
  5. Step 5: Solve for x
    x = 21,505,043,670.74/147,136.26
  6. Step 6: Final answer
    x = 146,157.34

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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.