Home / 358,932.32-495,348.56-197,787.40

Finding the Fourth Proportional to 358,932.32, 495,348.56 and 197,787.40

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Solution

The fourth proportional to 358,932.32, 495,348.56 and 197,787.40 is: 272,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,932.32 : 495,348.56 = 197,787.40 : x
  2. Step 2: Convert to fraction form
    358,932.32/495,348.56 = 197,787.40/x
  3. Step 3: Cross multiply
    358,932.32x = 495,348.56 × 197,787.40
  4. Step 4: Simplify right side
    358,932.32x = 97,973,703,776.14
  5. Step 5: Solve for x
    x = 97,973,703,776.14/358,932.32
  6. Step 6: Final answer
    x = 272,958.71

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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.