Home / 188,427.17-259,925.68-119,390.33

Finding the Fourth Proportional to 188,427.17, 259,925.68 and 119,390.33

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Solution

The fourth proportional to 188,427.17, 259,925.68 and 119,390.33 is: 164,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,427.17 : 259,925.68 = 119,390.33 : x
  2. Step 2: Convert to fraction form
    188,427.17/259,925.68 = 119,390.33/x
  3. Step 3: Cross multiply
    188,427.17x = 259,925.68 × 119,390.33
  4. Step 4: Simplify right side
    188,427.17x = 31,032,612,710.67
  5. Step 5: Solve for x
    x = 31,032,612,710.67/188,427.17
  6. Step 6: Final answer
    x = 164,692.88

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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.