Home / 287,097.05-396,194.15-166,244.81

Finding the Fourth Proportional to 287,097.05, 396,194.15 and 166,244.81

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Solution

The fourth proportional to 287,097.05, 396,194.15 and 166,244.81 is: 229,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,097.05 : 396,194.15 = 166,244.81 : x
  2. Step 2: Convert to fraction form
    287,097.05/396,194.15 = 166,244.81/x
  3. Step 3: Cross multiply
    287,097.05x = 396,194.15 × 166,244.81
  4. Step 4: Simplify right side
    287,097.05x = 65,865,219,624.50
  5. Step 5: Solve for x
    x = 65,865,219,624.50/287,097.05
  6. Step 6: Final answer
    x = 229,417.96

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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.