Home / 137,209.02-205,695.24-53,028.25

Finding the Fourth Proportional to 137,209.02, 205,695.24 and 53,028.25

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Solution

The fourth proportional to 137,209.02, 205,695.24 and 53,028.25 is: 79,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,209.02 : 205,695.24 = 53,028.25 : x
  2. Step 2: Convert to fraction form
    137,209.02/205,695.24 = 53,028.25/x
  3. Step 3: Cross multiply
    137,209.02x = 205,695.24 × 53,028.25
  4. Step 4: Simplify right side
    137,209.02x = 10,907,658,610.53
  5. Step 5: Solve for x
    x = 10,907,658,610.53/137,209.02
  6. Step 6: Final answer
    x = 79,496.66

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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.