Home / 452,015.47-678,001.20-167,761.36

Finding the Fourth Proportional to 452,015.47, 678,001.20 and 167,761.36

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Solution

The fourth proportional to 452,015.47, 678,001.20 and 167,761.36 is: 251,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,015.47 : 678,001.20 = 167,761.36 : x
  2. Step 2: Convert to fraction form
    452,015.47/678,001.20 = 167,761.36/x
  3. Step 3: Cross multiply
    452,015.47x = 678,001.20 × 167,761.36
  4. Step 4: Simplify right side
    452,015.47x = 113,742,403,393.63
  5. Step 5: Solve for x
    x = 113,742,403,393.63/452,015.47
  6. Step 6: Final answer
    x = 251,633.87

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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.