Home / 177,260.10-265,890.15-121,272.90

Finding the Fourth Proportional to 177,260.10, 265,890.15 and 121,272.90

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Solution

The fourth proportional to 177,260.10, 265,890.15 and 121,272.90 is: 181,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,260.10 : 265,890.15 = 121,272.90 : x
  2. Step 2: Convert to fraction form
    177,260.10/265,890.15 = 121,272.90/x
  3. Step 3: Cross multiply
    177,260.10x = 265,890.15 × 121,272.90
  4. Step 4: Simplify right side
    177,260.10x = 32,245,269,571.94
  5. Step 5: Solve for x
    x = 32,245,269,571.94/177,260.10
  6. Step 6: Final answer
    x = 181,909.35

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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.