Home / 196,003.40-294,158.70-90,835.40

Finding the Fourth Proportional to 196,003.40, 294,158.70 and 90,835.40

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Solution

The fourth proportional to 196,003.40, 294,158.70 and 90,835.40 is: 136,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,003.40 : 294,158.70 = 90,835.40 : x
  2. Step 2: Convert to fraction form
    196,003.40/294,158.70 = 90,835.40/x
  3. Step 3: Cross multiply
    196,003.40x = 294,158.70 × 90,835.40
  4. Step 4: Simplify right side
    196,003.40x = 26,720,023,177.98
  5. Step 5: Solve for x
    x = 26,720,023,177.98/196,003.40
  6. Step 6: Final answer
    x = 136,324.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.