Home / 127,707.47-191,442.12-43,410.03

Finding the Fourth Proportional to 127,707.47, 191,442.12 and 43,410.03

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Solution

The fourth proportional to 127,707.47, 191,442.12 and 43,410.03 is: 65,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,707.47 : 191,442.12 = 43,410.03 : x
  2. Step 2: Convert to fraction form
    127,707.47/191,442.12 = 43,410.03/x
  3. Step 3: Cross multiply
    127,707.47x = 191,442.12 × 43,410.03
  4. Step 4: Simplify right side
    127,707.47x = 8,310,507,291.77
  5. Step 5: Solve for x
    x = 8,310,507,291.77/127,707.47
  6. Step 6: Final answer
    x = 65,074.56

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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.