Home / 118,430.20-177,558.90-48,273.40

Finding the Fourth Proportional to 118,430.20, 177,558.90 and 48,273.40

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Solution

The fourth proportional to 118,430.20, 177,558.90 and 48,273.40 is: 72,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,430.20 : 177,558.90 = 48,273.40 : x
  2. Step 2: Convert to fraction form
    118,430.20/177,558.90 = 48,273.40/x
  3. Step 3: Cross multiply
    118,430.20x = 177,558.90 × 48,273.40
  4. Step 4: Simplify right side
    118,430.20x = 8,571,371,803.26
  5. Step 5: Solve for x
    x = 8,571,371,803.26/118,430.20
  6. Step 6: Final answer
    x = 72,374.88

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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.