Home / 127,677.76-191,397.60-43,380.32

Finding the Fourth Proportional to 127,677.76, 191,397.60 and 43,380.32

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Solution

The fourth proportional to 127,677.76, 191,397.60 and 43,380.32 is: 65,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,677.76 : 191,397.60 = 43,380.32 : x
  2. Step 2: Convert to fraction form
    127,677.76/191,397.60 = 43,380.32/x
  3. Step 3: Cross multiply
    127,677.76x = 191,397.60 × 43,380.32
  4. Step 4: Simplify right side
    127,677.76x = 8,302,889,135.23
  5. Step 5: Solve for x
    x = 8,302,889,135.23/127,677.76
  6. Step 6: Final answer
    x = 65,030.03

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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.