Home / 456,854.15-685,252.04-141,284.63

Finding the Fourth Proportional to 456,854.15, 685,252.04 and 141,284.63

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Solution

The fourth proportional to 456,854.15, 685,252.04 and 141,284.63 is: 211,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,854.15 : 685,252.04 = 141,284.63 : x
  2. Step 2: Convert to fraction form
    456,854.15/685,252.04 = 141,284.63/x
  3. Step 3: Cross multiply
    456,854.15x = 685,252.04 × 141,284.63
  4. Step 4: Simplify right side
    456,854.15x = 96,815,576,795.46
  5. Step 5: Solve for x
    x = 96,815,576,795.46/456,854.15
  6. Step 6: Final answer
    x = 211,917.91

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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.