Home / 144,554.30-216,437.78-112,421.80

Finding the Fourth Proportional to 144,554.30, 216,437.78 and 112,421.80

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Solution

The fourth proportional to 144,554.30, 216,437.78 and 112,421.80 is: 168,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,554.30 : 216,437.78 = 112,421.80 : x
  2. Step 2: Convert to fraction form
    144,554.30/216,437.78 = 112,421.80/x
  3. Step 3: Cross multiply
    144,554.30x = 216,437.78 × 112,421.80
  4. Step 4: Simplify right side
    144,554.30x = 24,332,324,815.60
  5. Step 5: Solve for x
    x = 24,332,324,815.60/144,554.30
  6. Step 6: Final answer
    x = 168,326.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.