Home / 260,873.20-360,090.52-153,437.68

Finding the Fourth Proportional to 260,873.20, 360,090.52 and 153,437.68

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Solution

The fourth proportional to 260,873.20, 360,090.52 and 153,437.68 is: 211,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,873.20 : 360,090.52 = 153,437.68 : x
  2. Step 2: Convert to fraction form
    260,873.20/360,090.52 = 153,437.68/x
  3. Step 3: Cross multiply
    260,873.20x = 360,090.52 × 153,437.68
  4. Step 4: Simplify right side
    260,873.20x = 55,251,453,978.79
  5. Step 5: Solve for x
    x = 55,251,453,978.79/260,873.20
  6. Step 6: Final answer
    x = 211,794.29

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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.