Home / 217,578.35-300,159.23-141,116.71

Finding the Fourth Proportional to 217,578.35, 300,159.23 and 141,116.71

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Solution

The fourth proportional to 217,578.35, 300,159.23 and 141,116.71 is: 194,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,578.35 : 300,159.23 = 141,116.71 : x
  2. Step 2: Convert to fraction form
    217,578.35/300,159.23 = 141,116.71/x
  3. Step 3: Cross multiply
    217,578.35x = 300,159.23 × 141,116.71
  4. Step 4: Simplify right side
    217,578.35x = 42,357,483,565.33
  5. Step 5: Solve for x
    x = 42,357,483,565.33/217,578.35
  6. Step 6: Final answer
    x = 194,676.92

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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.