Home / 286,309.38-429,329.14-106,270.04

Finding the Fourth Proportional to 286,309.38, 429,329.14 and 106,270.04

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Solution

The fourth proportional to 286,309.38, 429,329.14 and 106,270.04 is: 159,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,309.38 : 429,329.14 = 106,270.04 : x
  2. Step 2: Convert to fraction form
    286,309.38/429,329.14 = 106,270.04/x
  3. Step 3: Cross multiply
    286,309.38x = 429,329.14 × 106,270.04
  4. Step 4: Simplify right side
    286,309.38x = 45,624,824,880.97
  5. Step 5: Solve for x
    x = 45,624,824,880.97/286,309.38
  6. Step 6: Final answer
    x = 159,354.98

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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.