Home / 127,848.11-191,772-34,353.86

Finding the Fourth Proportional to 127,848.11, 191,772 and 34,353.86

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Solution

The fourth proportional to 127,848.11, 191,772 and 34,353.86 is: 51,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848.11 : 191,772 = 34,353.86 : x
  2. Step 2: Convert to fraction form
    127,848.11/191,772 = 34,353.86/x
  3. Step 3: Cross multiply
    127,848.11x = 191,772 × 34,353.86
  4. Step 4: Simplify right side
    127,848.11x = 6,588,107,481.06
  5. Step 5: Solve for x
    x = 6,588,107,481.06/127,848.11
  6. Step 6: Final answer
    x = 51,530.74

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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.