Home / 194,109.36-291,172.32-67,762.32

Finding the Fourth Proportional to 194,109.36, 291,172.32 and 67,762.32

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Solution

The fourth proportional to 194,109.36, 291,172.32 and 67,762.32 is: 101,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,109.36 : 291,172.32 = 67,762.32 : x
  2. Step 2: Convert to fraction form
    194,109.36/291,172.32 = 67,762.32/x
  3. Step 3: Cross multiply
    194,109.36x = 291,172.32 × 67,762.32
  4. Step 4: Simplify right side
    194,109.36x = 19,730,511,922.98
  5. Step 5: Solve for x
    x = 19,730,511,922.98/194,109.36
  6. Step 6: Final answer
    x = 101,646.37

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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.