Home / 166,971.08-230,443.72-103,329.38

Finding the Fourth Proportional to 166,971.08, 230,443.72 and 103,329.38

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Solution

The fourth proportional to 166,971.08, 230,443.72 and 103,329.38 is: 142,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,971.08 : 230,443.72 = 103,329.38 : x
  2. Step 2: Convert to fraction form
    166,971.08/230,443.72 = 103,329.38/x
  3. Step 3: Cross multiply
    166,971.08x = 230,443.72 × 103,329.38
  4. Step 4: Simplify right side
    166,971.08x = 23,811,606,712.49
  5. Step 5: Solve for x
    x = 23,811,606,712.49/166,971.08
  6. Step 6: Final answer
    x = 142,609.17

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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.