Home / 120,943.08-166,905.06-73,205.16

Finding the Fourth Proportional to 120,943.08, 166,905.06 and 73,205.16

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Solution

The fourth proportional to 120,943.08, 166,905.06 and 73,205.16 is: 101,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,943.08 : 166,905.06 = 73,205.16 : x
  2. Step 2: Convert to fraction form
    120,943.08/166,905.06 = 73,205.16/x
  3. Step 3: Cross multiply
    120,943.08x = 166,905.06 × 73,205.16
  4. Step 4: Simplify right side
    120,943.08x = 12,218,311,622.11
  5. Step 5: Solve for x
    x = 12,218,311,622.11/120,943.08
  6. Step 6: Final answer
    x = 101,025.31

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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.