Home / 188,633.37-260,182.24-128,098.94

Finding the Fourth Proportional to 188,633.37, 260,182.24 and 128,098.94

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Solution

The fourth proportional to 188,633.37, 260,182.24 and 128,098.94 is: 176,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,633.37 : 260,182.24 = 128,098.94 : x
  2. Step 2: Convert to fraction form
    188,633.37/260,182.24 = 128,098.94/x
  3. Step 3: Cross multiply
    188,633.37x = 260,182.24 × 128,098.94
  4. Step 4: Simplify right side
    188,633.37x = 33,329,068,250.22
  5. Step 5: Solve for x
    x = 33,329,068,250.22/188,633.37
  6. Step 6: Final answer
    x = 176,687.02

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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.