Home / 353,228.20-529,659.90-103,877.80

Finding the Fourth Proportional to 353,228.20, 529,659.90 and 103,877.80

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Solution

The fourth proportional to 353,228.20, 529,659.90 and 103,877.80 is: 155,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,228.20 : 529,659.90 = 103,877.80 : x
  2. Step 2: Convert to fraction form
    353,228.20/529,659.90 = 103,877.80/x
  3. Step 3: Cross multiply
    353,228.20x = 529,659.90 × 103,877.80
  4. Step 4: Simplify right side
    353,228.20x = 55,019,905,160.22
  5. Step 5: Solve for x
    x = 55,019,905,160.22/353,228.20
  6. Step 6: Final answer
    x = 155,763.06

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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.