Home / 226,157.44-312,102.24-128,032.48

Finding the Fourth Proportional to 226,157.44, 312,102.24 and 128,032.48

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Solution

The fourth proportional to 226,157.44, 312,102.24 and 128,032.48 is: 176,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,157.44 : 312,102.24 = 128,032.48 : x
  2. Step 2: Convert to fraction form
    226,157.44/312,102.24 = 128,032.48/x
  3. Step 3: Cross multiply
    226,157.44x = 312,102.24 × 128,032.48
  4. Step 4: Simplify right side
    226,157.44x = 39,959,223,800.76
  5. Step 5: Solve for x
    x = 39,959,223,800.76/226,157.44
  6. Step 6: Final answer
    x = 176,687.64

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1.5x scale

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.