Home / 123,401.53-185,102.30-29,907.28

Finding the Fourth Proportional to 123,401.53, 185,102.30 and 29,907.28

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Solution

The fourth proportional to 123,401.53, 185,102.30 and 29,907.28 is: 44,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,401.53 : 185,102.30 = 29,907.28 : x
  2. Step 2: Convert to fraction form
    123,401.53/185,102.30 = 29,907.28/x
  3. Step 3: Cross multiply
    123,401.53x = 185,102.30 × 29,907.28
  4. Step 4: Simplify right side
    123,401.53x = 5,535,905,239.70
  5. Step 5: Solve for x
    x = 5,535,905,239.70/123,401.53
  6. Step 6: Final answer
    x = 44,860.91

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1.5x scale

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.