Home / 347,581.56-521,569.40-187,655.36

Finding the Fourth Proportional to 347,581.56, 521,569.40 and 187,655.36

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Solution

The fourth proportional to 347,581.56, 521,569.40 and 187,655.36 is: 281,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,581.56 : 521,569.40 = 187,655.36 : x
  2. Step 2: Convert to fraction form
    347,581.56/521,569.40 = 187,655.36/x
  3. Step 3: Cross multiply
    347,581.56x = 521,569.40 × 187,655.36
  4. Step 4: Simplify right side
    347,581.56x = 97,875,293,521.98
  5. Step 5: Solve for x
    x = 97,875,293,521.98/347,581.56
  6. Step 6: Final answer
    x = 281,589.43

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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.