Home / 124,207.11-186,313.73-45,321.32

Finding the Fourth Proportional to 124,207.11, 186,313.73 and 45,321.32

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Solution

The fourth proportional to 124,207.11, 186,313.73 and 45,321.32 is: 67,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,207.11 : 186,313.73 = 45,321.32 : x
  2. Step 2: Convert to fraction form
    124,207.11/186,313.73 = 45,321.32/x
  3. Step 3: Cross multiply
    124,207.11x = 186,313.73 × 45,321.32
  4. Step 4: Simplify right side
    124,207.11x = 8,443,984,416.90
  5. Step 5: Solve for x
    x = 8,443,984,416.90/124,207.11
  6. Step 6: Final answer
    x = 67,983.10

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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.