Home / 170,802.84-235,757.97-99,215.04

Finding the Fourth Proportional to 170,802.84, 235,757.97 and 99,215.04

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Solution

The fourth proportional to 170,802.84, 235,757.97 and 99,215.04 is: 136,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,802.84 : 235,757.97 = 99,215.04 : x
  2. Step 2: Convert to fraction form
    170,802.84/235,757.97 = 99,215.04/x
  3. Step 3: Cross multiply
    170,802.84x = 235,757.97 × 99,215.04
  4. Step 4: Simplify right side
    170,802.84x = 23,390,736,423.87
  5. Step 5: Solve for x
    x = 23,390,736,423.87/170,802.84
  6. Step 6: Final answer
    x = 136,945.83

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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.