Home / 325,044.09-487,618.08-100,351.71

Finding the Fourth Proportional to 325,044.09, 487,618.08 and 100,351.71

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Solution

The fourth proportional to 325,044.09, 487,618.08 and 100,351.71 is: 150,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,044.09 : 487,618.08 = 100,351.71 : x
  2. Step 2: Convert to fraction form
    325,044.09/487,618.08 = 100,351.71/x
  3. Step 3: Cross multiply
    325,044.09x = 487,618.08 × 100,351.71
  4. Step 4: Simplify right side
    325,044.09x = 48,933,308,154.92
  5. Step 5: Solve for x
    x = 48,933,308,154.92/325,044.09
  6. Step 6: Final answer
    x = 150,543.60

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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.