Home / 136,480.16-188,348.38-76,050.82

Finding the Fourth Proportional to 136,480.16, 188,348.38 and 76,050.82

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Solution

The fourth proportional to 136,480.16, 188,348.38 and 76,050.82 is: 104,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,480.16 : 188,348.38 = 76,050.82 : x
  2. Step 2: Convert to fraction form
    136,480.16/188,348.38 = 76,050.82/x
  3. Step 3: Cross multiply
    136,480.16x = 188,348.38 × 76,050.82
  4. Step 4: Simplify right side
    136,480.16x = 14,324,048,744.67
  5. Step 5: Solve for x
    x = 14,324,048,744.67/136,480.16
  6. Step 6: Final answer
    x = 104,953.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.