Home / 195,129.60-292,484.41-127,636.21

Finding the Fourth Proportional to 195,129.60, 292,484.41 and 127,636.21

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Solution

The fourth proportional to 195,129.60, 292,484.41 and 127,636.21 is: 191,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,129.60 : 292,484.41 = 127,636.21 : x
  2. Step 2: Convert to fraction form
    195,129.60/292,484.41 = 127,636.21/x
  3. Step 3: Cross multiply
    195,129.60x = 292,484.41 × 127,636.21
  4. Step 4: Simplify right side
    195,129.60x = 37,331,601,576.49
  5. Step 5: Solve for x
    x = 37,331,601,576.49/195,129.60
  6. Step 6: Final answer
    x = 191,316.96

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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.