Home / 131,596.36-181,604.40-71,168.18

Finding the Fourth Proportional to 131,596.36, 181,604.40 and 71,168.18

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Solution

The fourth proportional to 131,596.36, 181,604.40 and 71,168.18 is: 98,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,596.36 : 181,604.40 = 71,168.18 : x
  2. Step 2: Convert to fraction form
    131,596.36/181,604.40 = 71,168.18/x
  3. Step 3: Cross multiply
    131,596.36x = 181,604.40 × 71,168.18
  4. Step 4: Simplify right side
    131,596.36x = 12,924,453,719.97
  5. Step 5: Solve for x
    x = 12,924,453,719.97/131,596.36
  6. Step 6: Final answer
    x = 98,212.85

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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.