Home / 119,190.73-164,414.48-71,416.40

Finding the Fourth Proportional to 119,190.73, 164,414.48 and 71,416.40

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Solution

The fourth proportional to 119,190.73, 164,414.48 and 71,416.40 is: 98,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,190.73 : 164,414.48 = 71,416.40 : x
  2. Step 2: Convert to fraction form
    119,190.73/164,414.48 = 71,416.40/x
  3. Step 3: Cross multiply
    119,190.73x = 164,414.48 × 71,416.40
  4. Step 4: Simplify right side
    119,190.73x = 11,741,890,269.47
  5. Step 5: Solve for x
    x = 11,741,890,269.47/119,190.73
  6. Step 6: Final answer
    x = 98,513.45

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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.