Home / 124,206.99-186,313.54-45,321.20

Finding the Fourth Proportional to 124,206.99, 186,313.54 and 45,321.20

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Solution

The fourth proportional to 124,206.99, 186,313.54 and 45,321.20 is: 67,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,206.99 : 186,313.54 = 45,321.20 : x
  2. Step 2: Convert to fraction form
    124,206.99/186,313.54 = 45,321.20/x
  3. Step 3: Cross multiply
    124,206.99x = 186,313.54 × 45,321.20
  4. Step 4: Simplify right side
    124,206.99x = 8,443,953,209.05
  5. Step 5: Solve for x
    x = 8,443,953,209.05/124,206.99
  6. Step 6: Final answer
    x = 67,982.91

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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.