Home / 137,232.07-205,675.86-74,049.64

Finding the Fourth Proportional to 137,232.07, 205,675.86 and 74,049.64

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Solution

The fourth proportional to 137,232.07, 205,675.86 and 74,049.64 is: 110,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,232.07 : 205,675.86 = 74,049.64 : x
  2. Step 2: Convert to fraction form
    137,232.07/205,675.86 = 74,049.64/x
  3. Step 3: Cross multiply
    137,232.07x = 205,675.86 × 74,049.64
  4. Step 4: Simplify right side
    137,232.07x = 15,230,223,389.69
  5. Step 5: Solve for x
    x = 15,230,223,389.69/137,232.07
  6. Step 6: Final answer
    x = 110,981.52

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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.