Home / 172,317.22-237,762.61-100,683.38

Finding the Fourth Proportional to 172,317.22, 237,762.61 and 100,683.38

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Solution

The fourth proportional to 172,317.22, 237,762.61 and 100,683.38 is: 138,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,317.22 : 237,762.61 = 100,683.38 : x
  2. Step 2: Convert to fraction form
    172,317.22/237,762.61 = 100,683.38/x
  3. Step 3: Cross multiply
    172,317.22x = 237,762.61 × 100,683.38
  4. Step 4: Simplify right side
    172,317.22x = 23,938,743,555.12
  5. Step 5: Solve for x
    x = 23,938,743,555.12/172,317.22
  6. Step 6: Final answer
    x = 138,922.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.