Home / 143,227.74-197,659.89-98,000.58

Finding the Fourth Proportional to 143,227.74, 197,659.89 and 98,000.58

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Solution

The fourth proportional to 143,227.74, 197,659.89 and 98,000.58 is: 135,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,227.74 : 197,659.89 = 98,000.58 : x
  2. Step 2: Convert to fraction form
    143,227.74/197,659.89 = 98,000.58/x
  3. Step 3: Cross multiply
    143,227.74x = 197,659.89 × 98,000.58
  4. Step 4: Simplify right side
    143,227.74x = 19,370,783,862.74
  5. Step 5: Solve for x
    x = 19,370,783,862.74/143,227.74
  6. Step 6: Final answer
    x = 135,244.64

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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.