Home / 176,319.20-264,543.60-71,148.80

Finding the Fourth Proportional to 176,319.20, 264,543.60 and 71,148.80

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Solution

The fourth proportional to 176,319.20, 264,543.60 and 71,148.80 is: 106,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,319.20 : 264,543.60 = 71,148.80 : x
  2. Step 2: Convert to fraction form
    176,319.20/264,543.60 = 71,148.80/x
  3. Step 3: Cross multiply
    176,319.20x = 264,543.60 × 71,148.80
  4. Step 4: Simplify right side
    176,319.20x = 18,821,959,687.68
  5. Step 5: Solve for x
    x = 18,821,959,687.68/176,319.20
  6. Step 6: Final answer
    x = 106,749.35

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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.