Home / 151,463.40-227,195.10-128,135.40

Finding the Fourth Proportional to 151,463.40, 227,195.10 and 128,135.40

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Solution

The fourth proportional to 151,463.40, 227,195.10 and 128,135.40 is: 192,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,463.40 : 227,195.10 = 128,135.40 : x
  2. Step 2: Convert to fraction form
    151,463.40/227,195.10 = 128,135.40/x
  3. Step 3: Cross multiply
    151,463.40x = 227,195.10 × 128,135.40
  4. Step 4: Simplify right side
    151,463.40x = 29,111,735,016.54
  5. Step 5: Solve for x
    x = 29,111,735,016.54/151,463.40
  6. Step 6: Final answer
    x = 192,203.10

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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.