Home / 117,668.20-176,502.30-51,140.20

Finding the Fourth Proportional to 117,668.20, 176,502.30 and 51,140.20

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Solution

The fourth proportional to 117,668.20, 176,502.30 and 51,140.20 is: 76,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,668.20 : 176,502.30 = 51,140.20 : x
  2. Step 2: Convert to fraction form
    117,668.20/176,502.30 = 51,140.20/x
  3. Step 3: Cross multiply
    117,668.20x = 176,502.30 × 51,140.20
  4. Step 4: Simplify right side
    117,668.20x = 9,026,362,922.46
  5. Step 5: Solve for x
    x = 9,026,362,922.46/117,668.20
  6. Step 6: Final answer
    x = 76,710.30

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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.