Home / 124,152.75-186,229.67-30,658.50

Finding the Fourth Proportional to 124,152.75, 186,229.67 and 30,658.50

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Solution

The fourth proportional to 124,152.75, 186,229.67 and 30,658.50 is: 45,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,152.75 : 186,229.67 = 30,658.50 : x
  2. Step 2: Convert to fraction form
    124,152.75/186,229.67 = 30,658.50/x
  3. Step 3: Cross multiply
    124,152.75x = 186,229.67 × 30,658.50
  4. Step 4: Simplify right side
    124,152.75x = 5,709,522,184.40
  5. Step 5: Solve for x
    x = 5,709,522,184.40/124,152.75
  6. Step 6: Final answer
    x = 45,987.88

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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.