Home / 143,050.83-197,400.96-89,332.64

Finding the Fourth Proportional to 143,050.83, 197,400.96 and 89,332.64

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Solution

The fourth proportional to 143,050.83, 197,400.96 and 89,332.64 is: 123,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,050.83 : 197,400.96 = 89,332.64 : x
  2. Step 2: Convert to fraction form
    143,050.83/197,400.96 = 89,332.64/x
  3. Step 3: Cross multiply
    143,050.83x = 197,400.96 × 89,332.64
  4. Step 4: Simplify right side
    143,050.83x = 17,634,349,388.84
  5. Step 5: Solve for x
    x = 17,634,349,388.84/143,050.83
  6. Step 6: Final answer
    x = 123,273.31

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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.