Home / 353,077.20-529,615.80-195,224.40

Finding the Fourth Proportional to 353,077.20, 529,615.80 and 195,224.40

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Solution

The fourth proportional to 353,077.20, 529,615.80 and 195,224.40 is: 292,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,077.20 : 529,615.80 = 195,224.40 : x
  2. Step 2: Convert to fraction form
    353,077.20/529,615.80 = 195,224.40/x
  3. Step 3: Cross multiply
    353,077.20x = 529,615.80 × 195,224.40
  4. Step 4: Simplify right side
    353,077.20x = 103,393,926,785.52
  5. Step 5: Solve for x
    x = 103,393,926,785.52/353,077.20
  6. Step 6: Final answer
    x = 292,836.60

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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.