Home / 219,554.03-329,441.70-86,529.75

Finding the Fourth Proportional to 219,554.03, 329,441.70 and 86,529.75

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Solution

The fourth proportional to 219,554.03, 329,441.70 and 86,529.75 is: 129,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,554.03 : 329,441.70 = 86,529.75 : x
  2. Step 2: Convert to fraction form
    219,554.03/329,441.70 = 86,529.75/x
  3. Step 3: Cross multiply
    219,554.03x = 329,441.70 × 86,529.75
  4. Step 4: Simplify right side
    219,554.03x = 28,506,507,940.58
  5. Step 5: Solve for x
    x = 28,506,507,940.58/219,554.03
  6. Step 6: Final answer
    x = 129,838.24

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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.