Home / 120,527.25-166,394.51-82,343.85

Finding the Fourth Proportional to 120,527.25, 166,394.51 and 82,343.85

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Solution

The fourth proportional to 120,527.25, 166,394.51 and 82,343.85 is: 113,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,527.25 : 166,394.51 = 82,343.85 : x
  2. Step 2: Convert to fraction form
    120,527.25/166,394.51 = 82,343.85/x
  3. Step 3: Cross multiply
    120,527.25x = 166,394.51 × 82,343.85
  4. Step 4: Simplify right side
    120,527.25x = 13,701,564,572.26
  5. Step 5: Solve for x
    x = 13,701,564,572.26/120,527.25
  6. Step 6: Final answer
    x = 113,680.22

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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.