Home / 179,685.96-247,738.95-118,422.60

Finding the Fourth Proportional to 179,685.96, 247,738.95 and 118,422.60

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Solution

The fourth proportional to 179,685.96, 247,738.95 and 118,422.60 is: 163,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,685.96 : 247,738.95 = 118,422.60 : x
  2. Step 2: Convert to fraction form
    179,685.96/247,738.95 = 118,422.60/x
  3. Step 3: Cross multiply
    179,685.96x = 247,738.95 × 118,422.60
  4. Step 4: Simplify right side
    179,685.96x = 29,337,890,580.27
  5. Step 5: Solve for x
    x = 29,337,890,580.27/179,685.96
  6. Step 6: Final answer
    x = 163,273.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.