Home / 143,225.62-197,656.96-97,998.46

Finding the Fourth Proportional to 143,225.62, 197,656.96 and 97,998.46

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Solution

The fourth proportional to 143,225.62, 197,656.96 and 97,998.46 is: 135,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.62 : 197,656.96 = 97,998.46 : x
  2. Step 2: Convert to fraction form
    143,225.62/197,656.96 = 97,998.46/x
  3. Step 3: Cross multiply
    143,225.62x = 197,656.96 × 97,998.46
  4. Step 4: Simplify right side
    143,225.62x = 19,370,077,688.28
  5. Step 5: Solve for x
    x = 19,370,077,688.28/143,225.62
  6. Step 6: Final answer
    x = 135,241.71

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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.