Home / 364,010.40-545,869.80-127,231.20

Finding the Fourth Proportional to 364,010.40, 545,869.80 and 127,231.20

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Solution

The fourth proportional to 364,010.40, 545,869.80 and 127,231.20 is: 190,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,010.40 : 545,869.80 = 127,231.20 : x
  2. Step 2: Convert to fraction form
    364,010.40/545,869.80 = 127,231.20/x
  3. Step 3: Cross multiply
    364,010.40x = 545,869.80 × 127,231.20
  4. Step 4: Simplify right side
    364,010.40x = 69,451,669,697.76
  5. Step 5: Solve for x
    x = 69,451,669,697.76/364,010.40
  6. Step 6: Final answer
    x = 190,795.84

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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.