Home / 240,109.86-331,347-132,677.58

Finding the Fourth Proportional to 240,109.86, 331,347 and 132,677.58

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Solution

The fourth proportional to 240,109.86, 331,347 and 132,677.58 is: 183,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,109.86 : 331,347 = 132,677.58 : x
  2. Step 2: Convert to fraction form
    240,109.86/331,347 = 132,677.58/x
  3. Step 3: Cross multiply
    240,109.86x = 331,347 × 132,677.58
  4. Step 4: Simplify right side
    240,109.86x = 43,962,318,100.26
  5. Step 5: Solve for x
    x = 43,962,318,100.26/240,109.86
  6. Step 6: Final answer
    x = 183,092.51

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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.