Home / 187,864.74-281,796.90-45,709.14

Finding the Fourth Proportional to 187,864.74, 281,796.90 and 45,709.14

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Solution

The fourth proportional to 187,864.74, 281,796.90 and 45,709.14 is: 68,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,864.74 : 281,796.90 = 45,709.14 : x
  2. Step 2: Convert to fraction form
    187,864.74/281,796.90 = 45,709.14/x
  3. Step 3: Cross multiply
    187,864.74x = 281,796.90 × 45,709.14
  4. Step 4: Simplify right side
    187,864.74x = 12,880,693,953.67
  5. Step 5: Solve for x
    x = 12,880,693,953.67/187,864.74
  6. Step 6: Final answer
    x = 68,563.66

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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.