Home / 154,588.80-213,284.12-86,596.59

Finding the Fourth Proportional to 154,588.80, 213,284.12 and 86,596.59

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Solution

The fourth proportional to 154,588.80, 213,284.12 and 86,596.59 is: 119,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,588.80 : 213,284.12 = 86,596.59 : x
  2. Step 2: Convert to fraction form
    154,588.80/213,284.12 = 86,596.59/x
  3. Step 3: Cross multiply
    154,588.80x = 213,284.12 × 86,596.59
  4. Step 4: Simplify right side
    154,588.80x = 18,469,677,493.15
  5. Step 5: Solve for x
    x = 18,469,677,493.15/154,588.80
  6. Step 6: Final answer
    x = 119,476.17

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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.