Home / 210,101.28-289,943.82-114,611.48

Finding the Fourth Proportional to 210,101.28, 289,943.82 and 114,611.48

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Solution

The fourth proportional to 210,101.28, 289,943.82 and 114,611.48 is: 158,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,101.28 : 289,943.82 = 114,611.48 : x
  2. Step 2: Convert to fraction form
    210,101.28/289,943.82 = 114,611.48/x
  3. Step 3: Cross multiply
    210,101.28x = 289,943.82 × 114,611.48
  4. Step 4: Simplify right side
    210,101.28x = 33,230,890,327.05
  5. Step 5: Solve for x
    x = 33,230,890,327.05/210,101.28
  6. Step 6: Final answer
    x = 158,166.05

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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.