Home / 168,785.17-253,302.19-80,038.94

Finding the Fourth Proportional to 168,785.17, 253,302.19 and 80,038.94

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Solution

The fourth proportional to 168,785.17, 253,302.19 and 80,038.94 is: 120,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785.17 : 253,302.19 = 80,038.94 : x
  2. Step 2: Convert to fraction form
    168,785.17/253,302.19 = 80,038.94/x
  3. Step 3: Cross multiply
    168,785.17x = 253,302.19 × 80,038.94
  4. Step 4: Simplify right side
    168,785.17x = 20,274,037,320.67
  5. Step 5: Solve for x
    x = 20,274,037,320.67/168,785.17
  6. Step 6: Final answer
    x = 120,117.41

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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.