Home / 437,823.60-656,225.10-201,190.20

Finding the Fourth Proportional to 437,823.60, 656,225.10 and 201,190.20

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Solution

The fourth proportional to 437,823.60, 656,225.10 and 201,190.20 is: 301,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,823.60 : 656,225.10 = 201,190.20 : x
  2. Step 2: Convert to fraction form
    437,823.60/656,225.10 = 201,190.20/x
  3. Step 3: Cross multiply
    437,823.60x = 656,225.10 × 201,190.20
  4. Step 4: Simplify right side
    437,823.60x = 132,026,059,114.02
  5. Step 5: Solve for x
    x = 132,026,059,114.02/437,823.60
  6. Step 6: Final answer
    x = 301,550.81

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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.