Home / 130,113.61-195,037.47-73,834.88

Finding the Fourth Proportional to 130,113.61, 195,037.47 and 73,834.88

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Solution

The fourth proportional to 130,113.61, 195,037.47 and 73,834.88 is: 110,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,113.61 : 195,037.47 = 73,834.88 : x
  2. Step 2: Convert to fraction form
    130,113.61/195,037.47 = 73,834.88/x
  3. Step 3: Cross multiply
    130,113.61x = 195,037.47 × 73,834.88
  4. Step 4: Simplify right side
    130,113.61x = 14,400,567,217.77
  5. Step 5: Solve for x
    x = 14,400,567,217.77/130,113.61
  6. Step 6: Final answer
    x = 110,676.87

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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.