Home / 266,868.10-368,241.60-159,415.32

Finding the Fourth Proportional to 266,868.10, 368,241.60 and 159,415.32

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Solution

The fourth proportional to 266,868.10, 368,241.60 and 159,415.32 is: 219,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,868.10 : 368,241.60 = 159,415.32 : x
  2. Step 2: Convert to fraction form
    266,868.10/368,241.60 = 159,415.32/x
  3. Step 3: Cross multiply
    266,868.10x = 368,241.60 × 159,415.32
  4. Step 4: Simplify right side
    266,868.10x = 58,703,351,960.31
  5. Step 5: Solve for x
    x = 58,703,351,960.31/266,868.10
  6. Step 6: Final answer
    x = 219,971.41

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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.