Home / 129,161.16-193,745.37-35,666.91

Finding the Fourth Proportional to 129,161.16, 193,745.37 and 35,666.91

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Solution

The fourth proportional to 129,161.16, 193,745.37 and 35,666.91 is: 53,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,161.16 : 193,745.37 = 35,666.91 : x
  2. Step 2: Convert to fraction form
    129,161.16/193,745.37 = 35,666.91/x
  3. Step 3: Cross multiply
    129,161.16x = 193,745.37 × 35,666.91
  4. Step 4: Simplify right side
    129,161.16x = 6,910,298,674.71
  5. Step 5: Solve for x
    x = 6,910,298,674.71/129,161.16
  6. Step 6: Final answer
    x = 53,501.37

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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.