Home / 217,966.20-326,949.30-194,465.40

Finding the Fourth Proportional to 217,966.20, 326,949.30 and 194,465.40

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Solution

The fourth proportional to 217,966.20, 326,949.30 and 194,465.40 is: 291,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,966.20 : 326,949.30 = 194,465.40 : x
  2. Step 2: Convert to fraction form
    217,966.20/326,949.30 = 194,465.40/x
  3. Step 3: Cross multiply
    217,966.20x = 326,949.30 × 194,465.40
  4. Step 4: Simplify right side
    217,966.20x = 63,580,326,404.22
  5. Step 5: Solve for x
    x = 63,580,326,404.22/217,966.20
  6. Step 6: Final answer
    x = 291,698.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.