Home / 531,500.80-796,977.60-157,475.20

Finding the Fourth Proportional to 531,500.80, 796,977.60 and 157,475.20

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Solution

The fourth proportional to 531,500.80, 796,977.60 and 157,475.20 is: 236,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,500.80 : 796,977.60 = 157,475.20 : x
  2. Step 2: Convert to fraction form
    531,500.80/796,977.60 = 157,475.20/x
  3. Step 3: Cross multiply
    531,500.80x = 796,977.60 × 157,475.20
  4. Step 4: Simplify right side
    531,500.80x = 125,504,206,955.52
  5. Step 5: Solve for x
    x = 125,504,206,955.52/531,500.80
  6. Step 6: Final answer
    x = 236,131.74

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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.