Home / 143,342.36-197,800.69-84,396.46

Finding the Fourth Proportional to 143,342.36, 197,800.69 and 84,396.46

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Solution

The fourth proportional to 143,342.36, 197,800.69 and 84,396.46 is: 116,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,342.36 : 197,800.69 = 84,396.46 : x
  2. Step 2: Convert to fraction form
    143,342.36/197,800.69 = 84,396.46/x
  3. Step 3: Cross multiply
    143,342.36x = 197,800.69 × 84,396.46
  4. Step 4: Simplify right side
    143,342.36x = 16,693,678,057.82
  5. Step 5: Solve for x
    x = 16,693,678,057.82/143,342.36
  6. Step 6: Final answer
    x = 116,460.19

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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.