Home / 127,070.12-190,532.28-48,134

Finding the Fourth Proportional to 127,070.12, 190,532.28 and 48,134

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Solution

The fourth proportional to 127,070.12, 190,532.28 and 48,134 is: 72,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,070.12 : 190,532.28 = 48,134 : x
  2. Step 2: Convert to fraction form
    127,070.12/190,532.28 = 48,134/x
  3. Step 3: Cross multiply
    127,070.12x = 190,532.28 × 48,134
  4. Step 4: Simplify right side
    127,070.12x = 9,171,080,765.52
  5. Step 5: Solve for x
    x = 9,171,080,765.52/127,070.12
  6. Step 6: Final answer
    x = 72,173.39

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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.