Home / 163,895.00-226,161.32-100,220.49

Finding the Fourth Proportional to 163,895.00, 226,161.32 and 100,220.49

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Solution

The fourth proportional to 163,895.00, 226,161.32 and 100,220.49 is: 138,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,895.00 : 226,161.32 = 100,220.49 : x
  2. Step 2: Convert to fraction form
    163,895.00/226,161.32 = 100,220.49/x
  3. Step 3: Cross multiply
    163,895.00x = 226,161.32 × 100,220.49
  4. Step 4: Simplify right side
    163,895.00x = 22,665,997,808.34
  5. Step 5: Solve for x
    x = 22,665,997,808.34/163,895.00
  6. Step 6: Final answer
    x = 138,295.85

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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.