Home / 127,953.12-191,929.68-106,019.04

Finding the Fourth Proportional to 127,953.12, 191,929.68 and 106,019.04

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Solution

The fourth proportional to 127,953.12, 191,929.68 and 106,019.04 is: 159,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953.12 : 191,929.68 = 106,019.04 : x
  2. Step 2: Convert to fraction form
    127,953.12/191,929.68 = 106,019.04/x
  3. Step 3: Cross multiply
    127,953.12x = 191,929.68 × 106,019.04
  4. Step 4: Simplify right side
    127,953.12x = 20,348,200,421.11
  5. Step 5: Solve for x
    x = 20,348,200,421.11/127,953.12
  6. Step 6: Final answer
    x = 159,028.56

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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.