Home / 127,068.12-190,529.28-48,132

Finding the Fourth Proportional to 127,068.12, 190,529.28 and 48,132

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Solution

The fourth proportional to 127,068.12, 190,529.28 and 48,132 is: 72,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,068.12 : 190,529.28 = 48,132 : x
  2. Step 2: Convert to fraction form
    127,068.12/190,529.28 = 48,132/x
  3. Step 3: Cross multiply
    127,068.12x = 190,529.28 × 48,132
  4. Step 4: Simplify right side
    127,068.12x = 9,170,555,304.96
  5. Step 5: Solve for x
    x = 9,170,555,304.96/127,068.12
  6. Step 6: Final answer
    x = 72,170.39

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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.