Home / 123,653.22-170,640.30-69,948.73

Finding the Fourth Proportional to 123,653.22, 170,640.30 and 69,948.73

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Solution

The fourth proportional to 123,653.22, 170,640.30 and 69,948.73 is: 96,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,653.22 : 170,640.30 = 69,948.73 : x
  2. Step 2: Convert to fraction form
    123,653.22/170,640.30 = 69,948.73/x
  3. Step 3: Cross multiply
    123,653.22x = 170,640.30 × 69,948.73
  4. Step 4: Simplify right side
    123,653.22x = 11,936,072,271.82
  5. Step 5: Solve for x
    x = 11,936,072,271.82/123,653.22
  6. Step 6: Final answer
    x = 96,528.60

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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.