Home / 187,061.22-280,591.80-68,681.34

Finding the Fourth Proportional to 187,061.22, 280,591.80 and 68,681.34

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Solution

The fourth proportional to 187,061.22, 280,591.80 and 68,681.34 is: 103,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,061.22 : 280,591.80 = 68,681.34 : x
  2. Step 2: Convert to fraction form
    187,061.22/280,591.80 = 68,681.34/x
  3. Step 3: Cross multiply
    187,061.22x = 280,591.80 × 68,681.34
  4. Step 4: Simplify right side
    187,061.22x = 19,271,420,817.01
  5. Step 5: Solve for x
    x = 19,271,420,817.01/187,061.22
  6. Step 6: Final answer
    x = 103,022.00

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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.