Home / 104,033.07-143,645.54-86,230.89

Finding the Fourth Proportional to 104,033.07, 143,645.54 and 86,230.89

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Solution

The fourth proportional to 104,033.07, 143,645.54 and 86,230.89 is: 119,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,033.07 : 143,645.54 = 86,230.89 : x
  2. Step 2: Convert to fraction form
    104,033.07/143,645.54 = 86,230.89/x
  3. Step 3: Cross multiply
    104,033.07x = 143,645.54 × 86,230.89
  4. Step 4: Simplify right side
    104,033.07x = 12,386,682,327.58
  5. Step 5: Solve for x
    x = 12,386,682,327.58/104,033.07
  6. Step 6: Final answer
    x = 119,064.85

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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.