Home / 353,417.38-487,704.86-192,268.32

Finding the Fourth Proportional to 353,417.38, 487,704.86 and 192,268.32

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Solution

The fourth proportional to 353,417.38, 487,704.86 and 192,268.32 is: 265,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,417.38 : 487,704.86 = 192,268.32 : x
  2. Step 2: Convert to fraction form
    353,417.38/487,704.86 = 192,268.32/x
  3. Step 3: Cross multiply
    353,417.38x = 487,704.86 × 192,268.32
  4. Step 4: Simplify right side
    353,417.38x = 93,770,194,088.04
  5. Step 5: Solve for x
    x = 93,770,194,088.04/353,417.38
  6. Step 6: Final answer
    x = 265,324.23

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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.