Home / 174,342.28-261,513.42-121,854.28

Finding the Fourth Proportional to 174,342.28, 261,513.42 and 121,854.28

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Solution

The fourth proportional to 174,342.28, 261,513.42 and 121,854.28 is: 182,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,342.28 : 261,513.42 = 121,854.28 : x
  2. Step 2: Convert to fraction form
    174,342.28/261,513.42 = 121,854.28/x
  3. Step 3: Cross multiply
    174,342.28x = 261,513.42 × 121,854.28
  4. Step 4: Simplify right side
    174,342.28x = 31,866,529,504.44
  5. Step 5: Solve for x
    x = 31,866,529,504.44/174,342.28
  6. Step 6: Final answer
    x = 182,781.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.