Home / 190,929.38-286,372.11-50,699.30

Finding the Fourth Proportional to 190,929.38, 286,372.11 and 50,699.30

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Solution

The fourth proportional to 190,929.38, 286,372.11 and 50,699.30 is: 76,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,929.38 : 286,372.11 = 50,699.30 : x
  2. Step 2: Convert to fraction form
    190,929.38/286,372.11 = 50,699.30/x
  3. Step 3: Cross multiply
    190,929.38x = 286,372.11 × 50,699.30
  4. Step 4: Simplify right side
    190,929.38x = 14,518,865,516.52
  5. Step 5: Solve for x
    x = 14,518,865,516.52/190,929.38
  6. Step 6: Final answer
    x = 76,043.12

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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.