Home / 188,199.18-259,651.53-107,569.71

Finding the Fourth Proportional to 188,199.18, 259,651.53 and 107,569.71

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Solution

The fourth proportional to 188,199.18, 259,651.53 and 107,569.71 is: 148,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,199.18 : 259,651.53 = 107,569.71 : x
  2. Step 2: Convert to fraction form
    188,199.18/259,651.53 = 107,569.71/x
  3. Step 3: Cross multiply
    188,199.18x = 259,651.53 × 107,569.71
  4. Step 4: Simplify right side
    188,199.18x = 27,930,639,783.16
  5. Step 5: Solve for x
    x = 27,930,639,783.16/188,199.18
  6. Step 6: Final answer
    x = 148,410.00

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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.