Home / 120,536.16-166,341.40-69,559.46

Finding the Fourth Proportional to 120,536.16, 166,341.40 and 69,559.46

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Solution

The fourth proportional to 120,536.16, 166,341.40 and 69,559.46 is: 95,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,536.16 : 166,341.40 = 69,559.46 : x
  2. Step 2: Convert to fraction form
    120,536.16/166,341.40 = 69,559.46/x
  3. Step 3: Cross multiply
    120,536.16x = 166,341.40 × 69,559.46
  4. Step 4: Simplify right side
    120,536.16x = 11,570,617,959.64
  5. Step 5: Solve for x
    x = 11,570,617,959.64/120,536.16
  6. Step 6: Final answer
    x = 95,992.92

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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.