Home / 347,723.80-521,585.70-189,866.14

Finding the Fourth Proportional to 347,723.80, 521,585.70 and 189,866.14

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Solution

The fourth proportional to 347,723.80, 521,585.70 and 189,866.14 is: 284,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,723.80 : 521,585.70 = 189,866.14 : x
  2. Step 2: Convert to fraction form
    347,723.80/521,585.70 = 189,866.14/x
  3. Step 3: Cross multiply
    347,723.80x = 521,585.70 × 189,866.14
  4. Step 4: Simplify right side
    347,723.80x = 99,031,463,538.20
  5. Step 5: Solve for x
    x = 99,031,463,538.20/347,723.80
  6. Step 6: Final answer
    x = 284,799.21

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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.