Home / 347,733.81-521,600.70-189,876.15

Finding the Fourth Proportional to 347,733.81, 521,600.70 and 189,876.15

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Solution

The fourth proportional to 347,733.81, 521,600.70 and 189,876.15 is: 284,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,733.81 : 521,600.70 = 189,876.15 : x
  2. Step 2: Convert to fraction form
    347,733.81/521,600.70 = 189,876.15/x
  3. Step 3: Cross multiply
    347,733.81x = 521,600.70 × 189,876.15
  4. Step 4: Simplify right side
    347,733.81x = 99,039,532,753.31
  5. Step 5: Solve for x
    x = 99,039,532,753.31/347,733.81
  6. Step 6: Final answer
    x = 284,814.22

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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.