Home / 144,509.09-199,490.73-108,712.76

Finding the Fourth Proportional to 144,509.09, 199,490.73 and 108,712.76

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Solution

The fourth proportional to 144,509.09, 199,490.73 and 108,712.76 is: 150,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,509.09 : 199,490.73 = 108,712.76 : x
  2. Step 2: Convert to fraction form
    144,509.09/199,490.73 = 108,712.76/x
  3. Step 3: Cross multiply
    144,509.09x = 199,490.73 × 108,712.76
  4. Step 4: Simplify right side
    144,509.09x = 21,687,187,852.71
  5. Step 5: Solve for x
    x = 21,687,187,852.71/144,509.09
  6. Step 6: Final answer
    x = 150,074.90

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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.