Home / 227,921.76-314,561.40-137,324.88

Finding the Fourth Proportional to 227,921.76, 314,561.40 and 137,324.88

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Solution

The fourth proportional to 227,921.76, 314,561.40 and 137,324.88 is: 189,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,921.76 : 314,561.40 = 137,324.88 : x
  2. Step 2: Convert to fraction form
    227,921.76/314,561.40 = 137,324.88/x
  3. Step 3: Cross multiply
    227,921.76x = 314,561.40 × 137,324.88
  4. Step 4: Simplify right side
    227,921.76x = 43,197,106,507.63
  5. Step 5: Solve for x
    x = 43,197,106,507.63/227,921.76
  6. Step 6: Final answer
    x = 189,526.03

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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.