Home / 124,272.36-186,234.77-67,223.12

Finding the Fourth Proportional to 124,272.36, 186,234.77 and 67,223.12

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Solution

The fourth proportional to 124,272.36, 186,234.77 and 67,223.12 is: 100,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,272.36 : 186,234.77 = 67,223.12 : x
  2. Step 2: Convert to fraction form
    124,272.36/186,234.77 = 67,223.12/x
  3. Step 3: Cross multiply
    124,272.36x = 186,234.77 × 67,223.12
  4. Step 4: Simplify right side
    124,272.36x = 12,519,281,528.77
  5. Step 5: Solve for x
    x = 12,519,281,528.77/124,272.36
  6. Step 6: Final answer
    x = 100,740.68

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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.