Home / 129,111.19-193,651.37-34,348.33

Finding the Fourth Proportional to 129,111.19, 193,651.37 and 34,348.33

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Solution

The fourth proportional to 129,111.19, 193,651.37 and 34,348.33 is: 51,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,111.19 : 193,651.37 = 34,348.33 : x
  2. Step 2: Convert to fraction form
    129,111.19/193,651.37 = 34,348.33/x
  3. Step 3: Cross multiply
    129,111.19x = 193,651.37 × 34,348.33
  4. Step 4: Simplify right side
    129,111.19x = 6,651,601,161.71
  5. Step 5: Solve for x
    x = 6,651,601,161.71/129,111.19
  6. Step 6: Final answer
    x = 51,518.39

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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.