Home / 134,858.07-202,224.52-78,714.41

Finding the Fourth Proportional to 134,858.07, 202,224.52 and 78,714.41

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Solution

The fourth proportional to 134,858.07, 202,224.52 and 78,714.41 is: 118,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,858.07 : 202,224.52 = 78,714.41 : x
  2. Step 2: Convert to fraction form
    134,858.07/202,224.52 = 78,714.41/x
  3. Step 3: Cross multiply
    134,858.07x = 202,224.52 × 78,714.41
  4. Step 4: Simplify right side
    134,858.07x = 15,917,983,779.33
  5. Step 5: Solve for x
    x = 15,917,983,779.33/134,858.07
  6. Step 6: Final answer
    x = 118,035.09

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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.