Home / 166,140.87-229,279.59-94,531.20

Finding the Fourth Proportional to 166,140.87, 229,279.59 and 94,531.20

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Solution

The fourth proportional to 166,140.87, 229,279.59 and 94,531.20 is: 130,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,140.87 : 229,279.59 = 94,531.20 : x
  2. Step 2: Convert to fraction form
    166,140.87/229,279.59 = 94,531.20/x
  3. Step 3: Cross multiply
    166,140.87x = 229,279.59 × 94,531.20
  4. Step 4: Simplify right side
    166,140.87x = 21,674,074,778.21
  5. Step 5: Solve for x
    x = 21,674,074,778.21/166,140.87
  6. Step 6: Final answer
    x = 130,456.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.