Home / 120,348.06-166,058.19-69,353.64

Finding the Fourth Proportional to 120,348.06, 166,058.19 and 69,353.64

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Solution

The fourth proportional to 120,348.06, 166,058.19 and 69,353.64 is: 95,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348.06 : 166,058.19 = 69,353.64 : x
  2. Step 2: Convert to fraction form
    120,348.06/166,058.19 = 69,353.64/x
  3. Step 3: Cross multiply
    120,348.06x = 166,058.19 × 69,353.64
  4. Step 4: Simplify right side
    120,348.06x = 11,516,739,928.31
  5. Step 5: Solve for x
    x = 11,516,739,928.31/120,348.06
  6. Step 6: Final answer
    x = 95,695.27

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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.