Home / 188,329.17-259,830.90-106,646.25

Finding the Fourth Proportional to 188,329.17, 259,830.90 and 106,646.25

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Solution

The fourth proportional to 188,329.17, 259,830.90 and 106,646.25 is: 147,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,329.17 : 259,830.90 = 106,646.25 : x
  2. Step 2: Convert to fraction form
    188,329.17/259,830.90 = 106,646.25/x
  3. Step 3: Cross multiply
    188,329.17x = 259,830.90 × 106,646.25
  4. Step 4: Simplify right side
    188,329.17x = 27,709,991,119.13
  5. Step 5: Solve for x
    x = 27,709,991,119.13/188,329.17
  6. Step 6: Final answer
    x = 147,135.95

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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.