Home / 123,107.04-169,895.07-69,394.32

Finding the Fourth Proportional to 123,107.04, 169,895.07 and 69,394.32

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Solution

The fourth proportional to 123,107.04, 169,895.07 and 69,394.32 is: 95,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,107.04 : 169,895.07 = 69,394.32 : x
  2. Step 2: Convert to fraction form
    123,107.04/169,895.07 = 69,394.32/x
  3. Step 3: Cross multiply
    123,107.04x = 169,895.07 × 69,394.32
  4. Step 4: Simplify right side
    123,107.04x = 11,789,752,854.00
  5. Step 5: Solve for x
    x = 11,789,752,854.00/123,107.04
  6. Step 6: Final answer
    x = 95,768.31

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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.