Home / 120,833.46-166,743-67,117.14

Finding the Fourth Proportional to 120,833.46, 166,743 and 67,117.14

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Solution

The fourth proportional to 120,833.46, 166,743 and 67,117.14 is: 92,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,833.46 : 166,743 = 67,117.14 : x
  2. Step 2: Convert to fraction form
    120,833.46/166,743 = 67,117.14/x
  3. Step 3: Cross multiply
    120,833.46x = 166,743 × 67,117.14
  4. Step 4: Simplify right side
    120,833.46x = 11,191,313,275.02
  5. Step 5: Solve for x
    x = 11,191,313,275.02/120,833.46
  6. Step 6: Final answer
    x = 92,617.67

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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.