Home / 180,183.96-248,678.60-103,701.51

Finding the Fourth Proportional to 180,183.96, 248,678.60 and 103,701.51

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Solution

The fourth proportional to 180,183.96, 248,678.60 and 103,701.51 is: 143,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,183.96 : 248,678.60 = 103,701.51 : x
  2. Step 2: Convert to fraction form
    180,183.96/248,678.60 = 103,701.51/x
  3. Step 3: Cross multiply
    180,183.96x = 248,678.60 × 103,701.51
  4. Step 4: Simplify right side
    180,183.96x = 25,788,345,806.18
  5. Step 5: Solve for x
    x = 25,788,345,806.18/180,183.96
  6. Step 6: Final answer
    x = 143,122.32

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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.