Home / 188,528.68-260,176.26-103,652.20

Finding the Fourth Proportional to 188,528.68, 260,176.26 and 103,652.20

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Solution

The fourth proportional to 188,528.68, 260,176.26 and 103,652.20 is: 143,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,528.68 : 260,176.26 = 103,652.20 : x
  2. Step 2: Convert to fraction form
    188,528.68/260,176.26 = 103,652.20/x
  3. Step 3: Cross multiply
    188,528.68x = 260,176.26 × 103,652.20
  4. Step 4: Simplify right side
    188,528.68x = 26,967,841,736.77
  5. Step 5: Solve for x
    x = 26,967,841,736.77/188,528.68
  6. Step 6: Final answer
    x = 143,043.71

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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.