Home / 456,764.28-685,130.02-119,802.26

Finding the Fourth Proportional to 456,764.28, 685,130.02 and 119,802.26

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Solution

The fourth proportional to 456,764.28, 685,130.02 and 119,802.26 is: 179,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,764.28 : 685,130.02 = 119,802.26 : x
  2. Step 2: Convert to fraction form
    456,764.28/685,130.02 = 119,802.26/x
  3. Step 3: Cross multiply
    456,764.28x = 685,130.02 × 119,802.26
  4. Step 4: Simplify right side
    456,764.28x = 82,080,124,789.85
  5. Step 5: Solve for x
    x = 82,080,124,789.85/456,764.28
  6. Step 6: Final answer
    x = 179,699.09

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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.