Home / 123,448.29-170,362.16-69,735.57

Finding the Fourth Proportional to 123,448.29, 170,362.16 and 69,735.57

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Solution

The fourth proportional to 123,448.29, 170,362.16 and 69,735.57 is: 96,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,448.29 : 170,362.16 = 69,735.57 : x
  2. Step 2: Convert to fraction form
    123,448.29/170,362.16 = 69,735.57/x
  3. Step 3: Cross multiply
    123,448.29x = 170,362.16 × 69,735.57
  4. Step 4: Simplify right side
    123,448.29x = 11,880,302,334.03
  5. Step 5: Solve for x
    x = 11,880,302,334.03/123,448.29
  6. Step 6: Final answer
    x = 96,237.07

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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.