Home / 305,885.93-422,190.05-169,966.58

Finding the Fourth Proportional to 305,885.93, 422,190.05 and 169,966.58

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Solution

The fourth proportional to 305,885.93, 422,190.05 and 169,966.58 is: 234,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,885.93 : 422,190.05 = 169,966.58 : x
  2. Step 2: Convert to fraction form
    305,885.93/422,190.05 = 169,966.58/x
  3. Step 3: Cross multiply
    305,885.93x = 422,190.05 × 169,966.58
  4. Step 4: Simplify right side
    305,885.93x = 71,758,195,947.75
  5. Step 5: Solve for x
    x = 71,758,195,947.75/305,885.93
  6. Step 6: Final answer
    x = 234,591.36

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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.