Home / 120,943.10-166,895.16-73,193.60

Finding the Fourth Proportional to 120,943.10, 166,895.16 and 73,193.60

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Solution

The fourth proportional to 120,943.10, 166,895.16 and 73,193.60 is: 101,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,943.10 : 166,895.16 = 73,193.60 : x
  2. Step 2: Convert to fraction form
    120,943.10/166,895.16 = 73,193.60/x
  3. Step 3: Cross multiply
    120,943.10x = 166,895.16 × 73,193.60
  4. Step 4: Simplify right side
    120,943.10x = 12,215,657,582.98
  5. Step 5: Solve for x
    x = 12,215,657,582.98/120,943.10
  6. Step 6: Final answer
    x = 101,003.34

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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.