Home / 266,109.20-398,839.80-116,032.40

Finding the Fourth Proportional to 266,109.20, 398,839.80 and 116,032.40

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Solution

The fourth proportional to 266,109.20, 398,839.80 and 116,032.40 is: 173,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,109.20 : 398,839.80 = 116,032.40 : x
  2. Step 2: Convert to fraction form
    266,109.20/398,839.80 = 116,032.40/x
  3. Step 3: Cross multiply
    266,109.20x = 398,839.80 × 116,032.40
  4. Step 4: Simplify right side
    266,109.20x = 46,278,339,209.52
  5. Step 5: Solve for x
    x = 46,278,339,209.52/266,109.20
  6. Step 6: Final answer
    x = 173,907.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.