Home / 123,228.24-170,072.49-69,518.22

Finding the Fourth Proportional to 123,228.24, 170,072.49 and 69,518.22

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Solution

The fourth proportional to 123,228.24, 170,072.49 and 69,518.22 is: 95,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,228.24 : 170,072.49 = 69,518.22 : x
  2. Step 2: Convert to fraction form
    123,228.24/170,072.49 = 69,518.22/x
  3. Step 3: Cross multiply
    123,228.24x = 170,072.49 × 69,518.22
  4. Step 4: Simplify right side
    123,228.24x = 11,823,136,775.77
  5. Step 5: Solve for x
    x = 11,823,136,775.77/123,228.24
  6. Step 6: Final answer
    x = 95,945.03

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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.