Home / 129,127.97-193,703.10-35,633.72

Finding the Fourth Proportional to 129,127.97, 193,703.10 and 35,633.72

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Solution

The fourth proportional to 129,127.97, 193,703.10 and 35,633.72 is: 53,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,127.97 : 193,703.10 = 35,633.72 : x
  2. Step 2: Convert to fraction form
    129,127.97/193,703.10 = 35,633.72/x
  3. Step 3: Cross multiply
    129,127.97x = 193,703.10 × 35,633.72
  4. Step 4: Simplify right side
    129,127.97x = 6,902,362,379.16
  5. Step 5: Solve for x
    x = 6,902,362,379.16/129,127.97
  6. Step 6: Final answer
    x = 53,453.66

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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.