Home / 161,716.05-242,574.08-154,458.45

Finding the Fourth Proportional to 161,716.05, 242,574.08 and 154,458.45

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Solution

The fourth proportional to 161,716.05, 242,574.08 and 154,458.45 is: 231,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,716.05 : 242,574.08 = 154,458.45 : x
  2. Step 2: Convert to fraction form
    161,716.05/242,574.08 = 154,458.45/x
  3. Step 3: Cross multiply
    161,716.05x = 242,574.08 × 154,458.45
  4. Step 4: Simplify right side
    161,716.05x = 37,467,615,634.68
  5. Step 5: Solve for x
    x = 37,467,615,634.68/161,716.05
  6. Step 6: Final answer
    x = 231,687.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.