Home / 144,514.73-199,430.51-80,852.58

Finding the Fourth Proportional to 144,514.73, 199,430.51 and 80,852.58

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Solution

The fourth proportional to 144,514.73, 199,430.51 and 80,852.58 is: 111,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,514.73 : 199,430.51 = 80,852.58 : x
  2. Step 2: Convert to fraction form
    144,514.73/199,430.51 = 80,852.58/x
  3. Step 3: Cross multiply
    144,514.73x = 199,430.51 × 80,852.58
  4. Step 4: Simplify right side
    144,514.73x = 16,124,470,859.95
  5. Step 5: Solve for x
    x = 16,124,470,859.95/144,514.73
  6. Step 6: Final answer
    x = 111,576.66

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1.5x scale

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.