Home / 127,036.46-190,522.80-52,177.28

Finding the Fourth Proportional to 127,036.46, 190,522.80 and 52,177.28

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Solution

The fourth proportional to 127,036.46, 190,522.80 and 52,177.28 is: 78,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,036.46 : 190,522.80 = 52,177.28 : x
  2. Step 2: Convert to fraction form
    127,036.46/190,522.80 = 52,177.28/x
  3. Step 3: Cross multiply
    127,036.46x = 190,522.80 × 52,177.28
  4. Step 4: Simplify right side
    127,036.46x = 9,940,960,577.17
  5. Step 5: Solve for x
    x = 9,940,960,577.17/127,036.46
  6. Step 6: Final answer
    x = 78,252.81

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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.