Home / 347,739.60-521,609.40-179,259.60

Finding the Fourth Proportional to 347,739.60, 521,609.40 and 179,259.60

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Solution

The fourth proportional to 347,739.60, 521,609.40 and 179,259.60 is: 268,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,739.60 : 521,609.40 = 179,259.60 : x
  2. Step 2: Convert to fraction form
    347,739.60/521,609.40 = 179,259.60/x
  3. Step 3: Cross multiply
    347,739.60x = 521,609.40 × 179,259.60
  4. Step 4: Simplify right side
    347,739.60x = 93,503,492,400.24
  5. Step 5: Solve for x
    x = 93,503,492,400.24/347,739.60
  6. Step 6: Final answer
    x = 268,889.40

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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.