Home / 156,018.60-233,871.66-77,190.12

Finding the Fourth Proportional to 156,018.60, 233,871.66 and 77,190.12

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Solution

The fourth proportional to 156,018.60, 233,871.66 and 77,190.12 is: 115,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,018.60 : 233,871.66 = 77,190.12 : x
  2. Step 2: Convert to fraction form
    156,018.60/233,871.66 = 77,190.12/x
  3. Step 3: Cross multiply
    156,018.60x = 233,871.66 × 77,190.12
  4. Step 4: Simplify right side
    156,018.60x = 18,052,581,500.00
  5. Step 5: Solve for x
    x = 18,052,581,500.00/156,018.60
  6. Step 6: Final answer
    x = 115,707.88

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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.