Home / 127,866.04-191,799.24-39,119.20

Finding the Fourth Proportional to 127,866.04, 191,799.24 and 39,119.20

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Solution

The fourth proportional to 127,866.04, 191,799.24 and 39,119.20 is: 58,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,866.04 : 191,799.24 = 39,119.20 : x
  2. Step 2: Convert to fraction form
    127,866.04/191,799.24 = 39,119.20/x
  3. Step 3: Cross multiply
    127,866.04x = 191,799.24 × 39,119.20
  4. Step 4: Simplify right side
    127,866.04x = 7,503,032,829.41
  5. Step 5: Solve for x
    x = 7,503,032,829.41/127,866.04
  6. Step 6: Final answer
    x = 58,678.86

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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.