Home / 143,226.74-197,658.51-97,999.58

Finding the Fourth Proportional to 143,226.74, 197,658.51 and 97,999.58

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Solution

The fourth proportional to 143,226.74, 197,658.51 and 97,999.58 is: 135,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,226.74 : 197,658.51 = 97,999.58 : x
  2. Step 2: Convert to fraction form
    143,226.74/197,658.51 = 97,999.58/x
  3. Step 3: Cross multiply
    143,226.74x = 197,658.51 × 97,999.58
  4. Step 4: Simplify right side
    143,226.74x = 19,370,450,963.43
  5. Step 5: Solve for x
    x = 19,370,450,963.43/143,226.74
  6. Step 6: Final answer
    x = 135,243.26

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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.