Home / 127,558.10-191,357.40-43,326.20

Finding the Fourth Proportional to 127,558.10, 191,357.40 and 43,326.20

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Solution

The fourth proportional to 127,558.10, 191,357.40 and 43,326.20 is: 64,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,558.10 : 191,357.40 = 43,326.20 : x
  2. Step 2: Convert to fraction form
    127,558.10/191,357.40 = 43,326.20/x
  3. Step 3: Cross multiply
    127,558.10x = 191,357.40 × 43,326.20
  4. Step 4: Simplify right side
    127,558.10x = 8,290,788,983.88
  5. Step 5: Solve for x
    x = 8,290,788,983.88/127,558.10
  6. Step 6: Final answer
    x = 64,996.18

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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.