Home / 188,066.29-259,549.05-107,478.07

Finding the Fourth Proportional to 188,066.29, 259,549.05 and 107,478.07

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Solution

The fourth proportional to 188,066.29, 259,549.05 and 107,478.07 is: 148,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,066.29 : 259,549.05 = 107,478.07 : x
  2. Step 2: Convert to fraction form
    188,066.29/259,549.05 = 107,478.07/x
  3. Step 3: Cross multiply
    188,066.29x = 259,549.05 × 107,478.07
  4. Step 4: Simplify right side
    188,066.29x = 27,895,830,964.33
  5. Step 5: Solve for x
    x = 27,895,830,964.33/188,066.29
  6. Step 6: Final answer
    x = 148,329.78

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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.