Home / 127,578.11-191,371.30-37,613.28

Finding the Fourth Proportional to 127,578.11, 191,371.30 and 37,613.28

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Solution

The fourth proportional to 127,578.11, 191,371.30 and 37,613.28 is: 56,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,578.11 : 191,371.30 = 37,613.28 : x
  2. Step 2: Convert to fraction form
    127,578.11/191,371.30 = 37,613.28/x
  3. Step 3: Cross multiply
    127,578.11x = 191,371.30 × 37,613.28
  4. Step 4: Simplify right side
    127,578.11x = 7,198,101,509.03
  5. Step 5: Solve for x
    x = 7,198,101,509.03/127,578.11
  6. Step 6: Final answer
    x = 56,421.13

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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.