Home / 250,135.51-345,184.38-135,411.58

Finding the Fourth Proportional to 250,135.51, 345,184.38 and 135,411.58

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Solution

The fourth proportional to 250,135.51, 345,184.38 and 135,411.58 is: 186,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,135.51 : 345,184.38 = 135,411.58 : x
  2. Step 2: Convert to fraction form
    250,135.51/345,184.38 = 135,411.58/x
  3. Step 3: Cross multiply
    250,135.51x = 345,184.38 × 135,411.58
  4. Step 4: Simplify right side
    250,135.51x = 46,741,962,287.12
  5. Step 5: Solve for x
    x = 46,741,962,287.12/250,135.51
  6. Step 6: Final answer
    x = 186,866.56

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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.