Home / 120,509.04-166,302.06-66,793.44

Finding the Fourth Proportional to 120,509.04, 166,302.06 and 66,793.44

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Solution

The fourth proportional to 120,509.04, 166,302.06 and 66,793.44 is: 92,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,509.04 : 166,302.06 = 66,793.44 : x
  2. Step 2: Convert to fraction form
    120,509.04/166,302.06 = 66,793.44/x
  3. Step 3: Cross multiply
    120,509.04x = 166,302.06 × 66,793.44
  4. Step 4: Simplify right side
    120,509.04x = 11,107,886,666.49
  5. Step 5: Solve for x
    x = 11,107,886,666.49/120,509.04
  6. Step 6: Final answer
    x = 92,174.72

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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.