Home / 294,538.25-441,798.56-81,319.16

Finding the Fourth Proportional to 294,538.25, 441,798.56 and 81,319.16

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Solution

The fourth proportional to 294,538.25, 441,798.56 and 81,319.16 is: 121,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,538.25 : 441,798.56 = 81,319.16 : x
  2. Step 2: Convert to fraction form
    294,538.25/441,798.56 = 81,319.16/x
  3. Step 3: Cross multiply
    294,538.25x = 441,798.56 × 81,319.16
  4. Step 4: Simplify right side
    294,538.25x = 35,926,685,782.71
  5. Step 5: Solve for x
    x = 35,926,685,782.71/294,538.25
  6. Step 6: Final answer
    x = 121,976.30

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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.