Home / 202,965.64-280,086.84-112,325.38

Finding the Fourth Proportional to 202,965.64, 280,086.84 and 112,325.38

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Solution

The fourth proportional to 202,965.64, 280,086.84 and 112,325.38 is: 155,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,965.64 : 280,086.84 = 112,325.38 : x
  2. Step 2: Convert to fraction form
    202,965.64/280,086.84 = 112,325.38/x
  3. Step 3: Cross multiply
    202,965.64x = 280,086.84 × 112,325.38
  4. Step 4: Simplify right side
    202,965.64x = 31,460,860,736.00
  5. Step 5: Solve for x
    x = 31,460,860,736.00/202,965.64
  6. Step 6: Final answer
    x = 155,005.85

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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.