Home / 117,997.72-177,035.46-43,140.76

Finding the Fourth Proportional to 117,997.72, 177,035.46 and 43,140.76

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Solution

The fourth proportional to 117,997.72, 177,035.46 and 43,140.76 is: 64,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,997.72 : 177,035.46 = 43,140.76 : x
  2. Step 2: Convert to fraction form
    117,997.72/177,035.46 = 43,140.76/x
  3. Step 3: Cross multiply
    117,997.72x = 177,035.46 × 43,140.76
  4. Step 4: Simplify right side
    117,997.72x = 7,637,444,291.35
  5. Step 5: Solve for x
    x = 7,637,444,291.35/117,997.72
  6. Step 6: Final answer
    x = 64,725.35

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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.