Home / 123,451.24-170,362-69,733.68

Finding the Fourth Proportional to 123,451.24, 170,362 and 69,733.68

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Solution

The fourth proportional to 123,451.24, 170,362 and 69,733.68 is: 96,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,451.24 : 170,362 = 69,733.68 : x
  2. Step 2: Convert to fraction form
    123,451.24/170,362 = 69,733.68/x
  3. Step 3: Cross multiply
    123,451.24x = 170,362 × 69,733.68
  4. Step 4: Simplify right side
    123,451.24x = 11,879,969,192.16
  5. Step 5: Solve for x
    x = 11,879,969,192.16/123,451.24
  6. Step 6: Final answer
    x = 96,232.08

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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.