Home / 127,746.72-191,652.48-38,996.64

Finding the Fourth Proportional to 127,746.72, 191,652.48 and 38,996.64

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Solution

The fourth proportional to 127,746.72, 191,652.48 and 38,996.64 is: 58,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746.72 : 191,652.48 = 38,996.64 : x
  2. Step 2: Convert to fraction form
    127,746.72/191,652.48 = 38,996.64/x
  3. Step 3: Cross multiply
    127,746.72x = 191,652.48 × 38,996.64
  4. Step 4: Simplify right side
    127,746.72x = 7,473,802,767.67
  5. Step 5: Solve for x
    x = 7,473,802,767.67/127,746.72
  6. Step 6: Final answer
    x = 58,504.85

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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.