Home / 129,263.34-193,790.21-58,133.91

Finding the Fourth Proportional to 129,263.34, 193,790.21 and 58,133.91

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Solution

The fourth proportional to 129,263.34, 193,790.21 and 58,133.91 is: 87,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,263.34 : 193,790.21 = 58,133.91 : x
  2. Step 2: Convert to fraction form
    129,263.34/193,790.21 = 58,133.91/x
  3. Step 3: Cross multiply
    129,263.34x = 193,790.21 × 58,133.91
  4. Step 4: Simplify right side
    129,263.34x = 11,265,782,336.35
  5. Step 5: Solve for x
    x = 11,265,782,336.35/129,263.34
  6. Step 6: Final answer
    x = 87,153.73

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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.