Home / 166,853.53-230,256.03-90,370.72

Finding the Fourth Proportional to 166,853.53, 230,256.03 and 90,370.72

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Solution

The fourth proportional to 166,853.53, 230,256.03 and 90,370.72 is: 124,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,853.53 : 230,256.03 = 90,370.72 : x
  2. Step 2: Convert to fraction form
    166,853.53/230,256.03 = 90,370.72/x
  3. Step 3: Cross multiply
    166,853.53x = 230,256.03 × 90,370.72
  4. Step 4: Simplify right side
    166,853.53x = 20,808,403,842.15
  5. Step 5: Solve for x
    x = 20,808,403,842.15/166,853.53
  6. Step 6: Final answer
    x = 124,710.60

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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.