Home / 358,926.80-495,316.68-197,783.12

Finding the Fourth Proportional to 358,926.80, 495,316.68 and 197,783.12

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Solution

The fourth proportional to 358,926.80, 495,316.68 and 197,783.12 is: 272,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,926.80 : 495,316.68 = 197,783.12 : x
  2. Step 2: Convert to fraction form
    358,926.80/495,316.68 = 197,783.12/x
  3. Step 3: Cross multiply
    358,926.80x = 495,316.68 × 197,783.12
  4. Step 4: Simplify right side
    358,926.80x = 97,965,278,358.44
  5. Step 5: Solve for x
    x = 97,965,278,358.44/358,926.80
  6. Step 6: Final answer
    x = 272,939.44

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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.