Home / 281,164.43-388,006.06-152,102.86

Finding the Fourth Proportional to 281,164.43, 388,006.06 and 152,102.86

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Solution

The fourth proportional to 281,164.43, 388,006.06 and 152,102.86 is: 209,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,164.43 : 388,006.06 = 152,102.86 : x
  2. Step 2: Convert to fraction form
    281,164.43/388,006.06 = 152,102.86/x
  3. Step 3: Cross multiply
    281,164.43x = 388,006.06 × 152,102.86
  4. Step 4: Simplify right side
    281,164.43x = 59,016,831,423.33
  5. Step 5: Solve for x
    x = 59,016,831,423.33/281,164.43
  6. Step 6: Final answer
    x = 209,901.49

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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.