Home / 123,314.22-170,172.93-69,616.68

Finding the Fourth Proportional to 123,314.22, 170,172.93 and 69,616.68

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Solution

The fourth proportional to 123,314.22, 170,172.93 and 69,616.68 is: 96,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,314.22 : 170,172.93 = 69,616.68 : x
  2. Step 2: Convert to fraction form
    123,314.22/170,172.93 = 69,616.68/x
  3. Step 3: Cross multiply
    123,314.22x = 170,172.93 × 69,616.68
  4. Step 4: Simplify right side
    123,314.22x = 11,846,874,412.47
  5. Step 5: Solve for x
    x = 11,846,874,412.47/123,314.22
  6. Step 6: Final answer
    x = 96,070.63

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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.