Home / 188,650.09-260,331.69-103,767.16

Finding the Fourth Proportional to 188,650.09, 260,331.69 and 103,767.16

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Solution

The fourth proportional to 188,650.09, 260,331.69 and 103,767.16 is: 143,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,650.09 : 260,331.69 = 103,767.16 : x
  2. Step 2: Convert to fraction form
    188,650.09/260,331.69 = 103,767.16/x
  3. Step 3: Cross multiply
    188,650.09x = 260,331.69 × 103,767.16
  4. Step 4: Simplify right side
    188,650.09x = 27,013,880,129.30
  5. Step 5: Solve for x
    x = 27,013,880,129.30/188,650.09
  6. Step 6: Final answer
    x = 143,195.69

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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.