Home / 202,961.14-280,079.48-112,320.92

Finding the Fourth Proportional to 202,961.14, 280,079.48 and 112,320.92

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Solution

The fourth proportional to 202,961.14, 280,079.48 and 112,320.92 is: 154,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,961.14 : 280,079.48 = 112,320.92 : x
  2. Step 2: Convert to fraction form
    202,961.14/280,079.48 = 112,320.92/x
  3. Step 3: Cross multiply
    202,961.14x = 280,079.48 × 112,320.92
  4. Step 4: Simplify right side
    202,961.14x = 31,458,784,866.72
  5. Step 5: Solve for x
    x = 31,458,784,866.72/202,961.14
  6. Step 6: Final answer
    x = 154,999.05

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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.