Home / 320,524.61-480,812.19-107,293.77

Finding the Fourth Proportional to 320,524.61, 480,812.19 and 107,293.77

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Solution

The fourth proportional to 320,524.61, 480,812.19 and 107,293.77 is: 160,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,524.61 : 480,812.19 = 107,293.77 : x
  2. Step 2: Convert to fraction form
    320,524.61/480,812.19 = 107,293.77/x
  3. Step 3: Cross multiply
    320,524.61x = 480,812.19 × 107,293.77
  4. Step 4: Simplify right side
    320,524.61x = 51,588,152,527.06
  5. Step 5: Solve for x
    x = 51,588,152,527.06/320,524.61
  6. Step 6: Final answer
    x = 160,949.12

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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.