Home / 364,015.20-545,828.40-127,365.60

Finding the Fourth Proportional to 364,015.20, 545,828.40 and 127,365.60

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Solution

The fourth proportional to 364,015.20, 545,828.40 and 127,365.60 is: 190,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,015.20 : 545,828.40 = 127,365.60 : x
  2. Step 2: Convert to fraction form
    364,015.20/545,828.40 = 127,365.60/x
  3. Step 3: Cross multiply
    364,015.20x = 545,828.40 × 127,365.60
  4. Step 4: Simplify right side
    364,015.20x = 69,519,761,663.04
  5. Step 5: Solve for x
    x = 69,519,761,663.04/364,015.20
  6. Step 6: Final answer
    x = 190,980.38

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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.