Home / 112,815.28-169,224.12-46,238.32

Finding the Fourth Proportional to 112,815.28, 169,224.12 and 46,238.32

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Solution

The fourth proportional to 112,815.28, 169,224.12 and 46,238.32 is: 69,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,815.28 : 169,224.12 = 46,238.32 : x
  2. Step 2: Convert to fraction form
    112,815.28/169,224.12 = 46,238.32/x
  3. Step 3: Cross multiply
    112,815.28x = 169,224.12 × 46,238.32
  4. Step 4: Simplify right side
    112,815.28x = 7,824,639,012.28
  5. Step 5: Solve for x
    x = 7,824,639,012.28/112,815.28
  6. Step 6: Final answer
    x = 69,357.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.