Home / 358,921.71-495,334.08-197,776.73

Finding the Fourth Proportional to 358,921.71, 495,334.08 and 197,776.73

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Solution

The fourth proportional to 358,921.71, 495,334.08 and 197,776.73 is: 272,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,921.71 : 495,334.08 = 197,776.73 : x
  2. Step 2: Convert to fraction form
    358,921.71/495,334.08 = 197,776.73/x
  3. Step 3: Cross multiply
    358,921.71x = 495,334.08 × 197,776.73
  4. Step 4: Simplify right side
    358,921.71x = 97,965,555,838.29
  5. Step 5: Solve for x
    x = 97,965,555,838.29/358,921.71
  6. Step 6: Final answer
    x = 272,944.08

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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.