Home / 189,756.08-284,680.83-133,705.65

Finding the Fourth Proportional to 189,756.08, 284,680.83 and 133,705.65

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Solution

The fourth proportional to 189,756.08, 284,680.83 and 133,705.65 is: 200,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,756.08 : 284,680.83 = 133,705.65 : x
  2. Step 2: Convert to fraction form
    189,756.08/284,680.83 = 133,705.65/x
  3. Step 3: Cross multiply
    189,756.08x = 284,680.83 × 133,705.65
  4. Step 4: Simplify right side
    189,756.08x = 38,063,435,417.69
  5. Step 5: Solve for x
    x = 38,063,435,417.69/189,756.08
  6. Step 6: Final answer
    x = 200,591.39

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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.