Home / 434,817.20-652,225.80-119,273.60

Finding the Fourth Proportional to 434,817.20, 652,225.80 and 119,273.60

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Solution

The fourth proportional to 434,817.20, 652,225.80 and 119,273.60 is: 178,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,817.20 : 652,225.80 = 119,273.60 : x
  2. Step 2: Convert to fraction form
    434,817.20/652,225.80 = 119,273.60/x
  3. Step 3: Cross multiply
    434,817.20x = 652,225.80 × 119,273.60
  4. Step 4: Simplify right side
    434,817.20x = 77,793,319,178.88
  5. Step 5: Solve for x
    x = 77,793,319,178.88/434,817.20
  6. Step 6: Final answer
    x = 178,910.40

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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.