Home / 118,407.22-177,634.16-38,430.25

Finding the Fourth Proportional to 118,407.22, 177,634.16 and 38,430.25

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Solution

The fourth proportional to 118,407.22, 177,634.16 and 38,430.25 is: 57,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,407.22 : 177,634.16 = 38,430.25 : x
  2. Step 2: Convert to fraction form
    118,407.22/177,634.16 = 38,430.25/x
  3. Step 3: Cross multiply
    118,407.22x = 177,634.16 × 38,430.25
  4. Step 4: Simplify right side
    118,407.22x = 6,826,524,901.39
  5. Step 5: Solve for x
    x = 6,826,524,901.39/118,407.22
  6. Step 6: Final answer
    x = 57,652.95

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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.