Home / 353,256.26-487,506.48-202,382.42

Finding the Fourth Proportional to 353,256.26, 487,506.48 and 202,382.42

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Solution

The fourth proportional to 353,256.26, 487,506.48 and 202,382.42 is: 279,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,256.26 : 487,506.48 = 202,382.42 : x
  2. Step 2: Convert to fraction form
    353,256.26/487,506.48 = 202,382.42/x
  3. Step 3: Cross multiply
    353,256.26x = 487,506.48 × 202,382.42
  4. Step 4: Simplify right side
    353,256.26x = 98,662,741,188.08
  5. Step 5: Solve for x
    x = 98,662,741,188.08/353,256.26
  6. Step 6: Final answer
    x = 279,295.10

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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.