Home / 318,550.90-439,577.58-189,482.26

Finding the Fourth Proportional to 318,550.90, 439,577.58 and 189,482.26

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Solution

The fourth proportional to 318,550.90, 439,577.58 and 189,482.26 is: 261,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,550.90 : 439,577.58 = 189,482.26 : x
  2. Step 2: Convert to fraction form
    318,550.90/439,577.58 = 189,482.26/x
  3. Step 3: Cross multiply
    318,550.90x = 439,577.58 × 189,482.26
  4. Step 4: Simplify right side
    318,550.90x = 83,292,151,105.84
  5. Step 5: Solve for x
    x = 83,292,151,105.84/318,550.90
  6. Step 6: Final answer
    x = 261,472.04

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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.