Home / 188,608.17-260,274.09-103,725.23

Finding the Fourth Proportional to 188,608.17, 260,274.09 and 103,725.23

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Solution

The fourth proportional to 188,608.17, 260,274.09 and 103,725.23 is: 143,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,608.17 : 260,274.09 = 103,725.23 : x
  2. Step 2: Convert to fraction form
    188,608.17/260,274.09 = 103,725.23/x
  3. Step 3: Cross multiply
    188,608.17x = 260,274.09 × 103,725.23
  4. Step 4: Simplify right side
    188,608.17x = 26,996,989,848.29
  5. Step 5: Solve for x
    x = 26,996,989,848.29/188,608.17
  6. Step 6: Final answer
    x = 143,137.97

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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.