Home / 424,825.20-637,250.58-104,977.05

Finding the Fourth Proportional to 424,825.20, 637,250.58 and 104,977.05

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Solution

The fourth proportional to 424,825.20, 637,250.58 and 104,977.05 is: 157,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,825.20 : 637,250.58 = 104,977.05 : x
  2. Step 2: Convert to fraction form
    424,825.20/637,250.58 = 104,977.05/x
  3. Step 3: Cross multiply
    424,825.20x = 637,250.58 × 104,977.05
  4. Step 4: Simplify right side
    424,825.20x = 66,896,685,999.19
  5. Step 5: Solve for x
    x = 66,896,685,999.19/424,825.20
  6. Step 6: Final answer
    x = 157,468.73

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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.