Home / 116,293.20-174,528.12-85,209.68

Finding the Fourth Proportional to 116,293.20, 174,528.12 and 85,209.68

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Solution

The fourth proportional to 116,293.20, 174,528.12 and 85,209.68 is: 127,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,293.20 : 174,528.12 = 85,209.68 : x
  2. Step 2: Convert to fraction form
    116,293.20/174,528.12 = 85,209.68/x
  3. Step 3: Cross multiply
    116,293.20x = 174,528.12 × 85,209.68
  4. Step 4: Simplify right side
    116,293.20x = 14,871,485,256.20
  5. Step 5: Solve for x
    x = 14,871,485,256.20/116,293.20
  6. Step 6: Final answer
    x = 127,879.23

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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.