Home / 205,495.28-308,242.98-134,477.72

Finding the Fourth Proportional to 205,495.28, 308,242.98 and 134,477.72

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Solution

The fourth proportional to 205,495.28, 308,242.98 and 134,477.72 is: 201,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,495.28 : 308,242.98 = 134,477.72 : x
  2. Step 2: Convert to fraction form
    205,495.28/308,242.98 = 134,477.72/x
  3. Step 3: Cross multiply
    205,495.28x = 308,242.98 × 134,477.72
  4. Step 4: Simplify right side
    205,495.28x = 41,451,813,422.72
  5. Step 5: Solve for x
    x = 41,451,813,422.72/205,495.28
  6. Step 6: Final answer
    x = 201,716.62

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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.