Home / 156,292.88-215,604.87-98,835.38

Finding the Fourth Proportional to 156,292.88, 215,604.87 and 98,835.38

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Solution

The fourth proportional to 156,292.88, 215,604.87 and 98,835.38 is: 136,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,292.88 : 215,604.87 = 98,835.38 : x
  2. Step 2: Convert to fraction form
    156,292.88/215,604.87 = 98,835.38/x
  3. Step 3: Cross multiply
    156,292.88x = 215,604.87 × 98,835.38
  4. Step 4: Simplify right side
    156,292.88x = 21,309,389,256.30
  5. Step 5: Solve for x
    x = 21,309,389,256.30/156,292.88
  6. Step 6: Final answer
    x = 136,342.67

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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.