Home / 166,669.64-230,004.72-90,188.74

Finding the Fourth Proportional to 166,669.64, 230,004.72 and 90,188.74

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Solution

The fourth proportional to 166,669.64, 230,004.72 and 90,188.74 is: 124,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,669.64 : 230,004.72 = 90,188.74 : x
  2. Step 2: Convert to fraction form
    166,669.64/230,004.72 = 90,188.74/x
  3. Step 3: Cross multiply
    166,669.64x = 230,004.72 × 90,188.74
  4. Step 4: Simplify right side
    166,669.64x = 20,743,835,085.98
  5. Step 5: Solve for x
    x = 20,743,835,085.98/166,669.64
  6. Step 6: Final answer
    x = 124,460.79

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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.