Home / 120,826.04-166,800.53-75,529.22

Finding the Fourth Proportional to 120,826.04, 166,800.53 and 75,529.22

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Solution

The fourth proportional to 120,826.04, 166,800.53 and 75,529.22 is: 104,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,826.04 : 166,800.53 = 75,529.22 : x
  2. Step 2: Convert to fraction form
    120,826.04/166,800.53 = 75,529.22/x
  3. Step 3: Cross multiply
    120,826.04x = 166,800.53 × 75,529.22
  4. Step 4: Simplify right side
    120,826.04x = 12,598,313,281.31
  5. Step 5: Solve for x
    x = 12,598,313,281.31/120,826.04
  6. Step 6: Final answer
    x = 104,268.20

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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.