Home / 118,123.08-177,301.26-51,609.12

Finding the Fourth Proportional to 118,123.08, 177,301.26 and 51,609.12

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Solution

The fourth proportional to 118,123.08, 177,301.26 and 51,609.12 is: 77,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,123.08 : 177,301.26 = 51,609.12 : x
  2. Step 2: Convert to fraction form
    118,123.08/177,301.26 = 51,609.12/x
  3. Step 3: Cross multiply
    118,123.08x = 177,301.26 × 51,609.12
  4. Step 4: Simplify right side
    118,123.08x = 9,150,362,003.49
  5. Step 5: Solve for x
    x = 9,150,362,003.49/118,123.08
  6. Step 6: Final answer
    x = 77,464.64

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1.5x scale

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.