Home / 222,256.08-306,715.32-131,617.08

Finding the Fourth Proportional to 222,256.08, 306,715.32 and 131,617.08

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Solution

The fourth proportional to 222,256.08, 306,715.32 and 131,617.08 is: 181,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,256.08 : 306,715.32 = 131,617.08 : x
  2. Step 2: Convert to fraction form
    222,256.08/306,715.32 = 131,617.08/x
  3. Step 3: Cross multiply
    222,256.08x = 306,715.32 × 131,617.08
  4. Step 4: Simplify right side
    222,256.08x = 40,368,974,809.67
  5. Step 5: Solve for x
    x = 40,368,974,809.67/222,256.08
  6. Step 6: Final answer
    x = 181,632.71

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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.