Home / 305,904.44-422,133.06-169,947.08

Finding the Fourth Proportional to 305,904.44, 422,133.06 and 169,947.08

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Solution

The fourth proportional to 305,904.44, 422,133.06 and 169,947.08 is: 234,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,904.44 : 422,133.06 = 169,947.08 : x
  2. Step 2: Convert to fraction form
    305,904.44/422,133.06 = 169,947.08/x
  3. Step 3: Cross multiply
    305,904.44x = 422,133.06 × 169,947.08
  4. Step 4: Simplify right side
    305,904.44x = 71,740,280,918.46
  5. Step 5: Solve for x
    x = 71,740,280,918.46/305,904.44
  6. Step 6: Final answer
    x = 234,518.60

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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.