Home / 179,864.80-248,230.39-103,428.66

Finding the Fourth Proportional to 179,864.80, 248,230.39 and 103,428.66

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Solution

The fourth proportional to 179,864.80, 248,230.39 and 103,428.66 is: 142,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,864.80 : 248,230.39 = 103,428.66 : x
  2. Step 2: Convert to fraction form
    179,864.80/248,230.39 = 103,428.66/x
  3. Step 3: Cross multiply
    179,864.80x = 248,230.39 × 103,428.66
  4. Step 4: Simplify right side
    179,864.80x = 25,674,135,991.64
  5. Step 5: Solve for x
    x = 25,674,135,991.64/179,864.80
  6. Step 6: Final answer
    x = 142,741.30

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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.