Home / 127,847.61-191,740.66-39,101.88

Finding the Fourth Proportional to 127,847.61, 191,740.66 and 39,101.88

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Solution

The fourth proportional to 127,847.61, 191,740.66 and 39,101.88 is: 58,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.61 : 191,740.66 = 39,101.88 : x
  2. Step 2: Convert to fraction form
    127,847.61/191,740.66 = 39,101.88/x
  3. Step 3: Cross multiply
    127,847.61x = 191,740.66 × 39,101.88
  4. Step 4: Simplify right side
    127,847.61x = 7,497,420,899.71
  5. Step 5: Solve for x
    x = 7,497,420,899.71/127,847.61
  6. Step 6: Final answer
    x = 58,643.42

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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.