Home / 127,389.58-191,111.85-38,650.23

Finding the Fourth Proportional to 127,389.58, 191,111.85 and 38,650.23

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Solution

The fourth proportional to 127,389.58, 191,111.85 and 38,650.23 is: 57,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,389.58 : 191,111.85 = 38,650.23 : x
  2. Step 2: Convert to fraction form
    127,389.58/191,111.85 = 38,650.23/x
  3. Step 3: Cross multiply
    127,389.58x = 191,111.85 × 38,650.23
  4. Step 4: Simplify right side
    127,389.58x = 7,386,516,958.23
  5. Step 5: Solve for x
    x = 7,386,516,958.23/127,389.58
  6. Step 6: Final answer
    x = 57,983.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.