Home / 434,101.20-651,346.20-153,819.60

Finding the Fourth Proportional to 434,101.20, 651,346.20 and 153,819.60

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Solution

The fourth proportional to 434,101.20, 651,346.20 and 153,819.60 is: 230,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,101.20 : 651,346.20 = 153,819.60 : x
  2. Step 2: Convert to fraction form
    434,101.20/651,346.20 = 153,819.60/x
  3. Step 3: Cross multiply
    434,101.20x = 651,346.20 × 153,819.60
  4. Step 4: Simplify right side
    434,101.20x = 100,189,811,945.52
  5. Step 5: Solve for x
    x = 100,189,811,945.52/434,101.20
  6. Step 6: Final answer
    x = 230,798.28

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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.