Home / 170,288.10-235,052.10-109,860.48

Finding the Fourth Proportional to 170,288.10, 235,052.10 and 109,860.48

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Solution

The fourth proportional to 170,288.10, 235,052.10 and 109,860.48 is: 151,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,288.10 : 235,052.10 = 109,860.48 : x
  2. Step 2: Convert to fraction form
    170,288.10/235,052.10 = 109,860.48/x
  3. Step 3: Cross multiply
    170,288.10x = 235,052.10 × 109,860.48
  4. Step 4: Simplify right side
    170,288.10x = 25,822,936,531.01
  5. Step 5: Solve for x
    x = 25,822,936,531.01/170,288.10
  6. Step 6: Final answer
    x = 151,642.64

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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.