Home / 127,156.80-190,573.92-57,033.28

Finding the Fourth Proportional to 127,156.80, 190,573.92 and 57,033.28

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Solution

The fourth proportional to 127,156.80, 190,573.92 and 57,033.28 is: 85,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,156.80 : 190,573.92 = 57,033.28 : x
  2. Step 2: Convert to fraction form
    127,156.80/190,573.92 = 57,033.28/x
  3. Step 3: Cross multiply
    127,156.80x = 190,573.92 × 57,033.28
  4. Step 4: Simplify right side
    127,156.80x = 10,869,055,740.06
  5. Step 5: Solve for x
    x = 10,869,055,740.06/127,156.80
  6. Step 6: Final answer
    x = 85,477.58

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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.