Home / 127,066.66-190,359.41-84,819.35

Finding the Fourth Proportional to 127,066.66, 190,359.41 and 84,819.35

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Solution

The fourth proportional to 127,066.66, 190,359.41 and 84,819.35 is: 127,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,066.66 : 190,359.41 = 84,819.35 : x
  2. Step 2: Convert to fraction form
    127,066.66/190,359.41 = 84,819.35/x
  3. Step 3: Cross multiply
    127,066.66x = 190,359.41 × 84,819.35
  4. Step 4: Simplify right side
    127,066.66x = 16,146,161,422.58
  5. Step 5: Solve for x
    x = 16,146,161,422.58/127,066.66
  6. Step 6: Final answer
    x = 127,068.43

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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.