Home / 127,876.64-191,681.19-43,607.27

Finding the Fourth Proportional to 127,876.64, 191,681.19 and 43,607.27

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Solution

The fourth proportional to 127,876.64, 191,681.19 and 43,607.27 is: 65,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,876.64 : 191,681.19 = 43,607.27 : x
  2. Step 2: Convert to fraction form
    127,876.64/191,681.19 = 43,607.27/x
  3. Step 3: Cross multiply
    127,876.64x = 191,681.19 × 43,607.27
  4. Step 4: Simplify right side
    127,876.64x = 8,358,693,406.25
  5. Step 5: Solve for x
    x = 8,358,693,406.25/127,876.64
  6. Step 6: Final answer
    x = 65,365.29

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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.