Home / 223,156.18-307,957.71-122,554.18

Finding the Fourth Proportional to 223,156.18, 307,957.71 and 122,554.18

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Solution

The fourth proportional to 223,156.18, 307,957.71 and 122,554.18 is: 169,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,156.18 : 307,957.71 = 122,554.18 : x
  2. Step 2: Convert to fraction form
    223,156.18/307,957.71 = 122,554.18/x
  3. Step 3: Cross multiply
    223,156.18x = 307,957.71 × 122,554.18
  4. Step 4: Simplify right side
    223,156.18x = 37,741,504,623.73
  5. Step 5: Solve for x
    x = 37,741,504,623.73/223,156.18
  6. Step 6: Final answer
    x = 169,125.97

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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.