Home / 187,055.40-280,583.10-124,069.80

Finding the Fourth Proportional to 187,055.40, 280,583.10 and 124,069.80

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Solution

The fourth proportional to 187,055.40, 280,583.10 and 124,069.80 is: 186,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,055.40 : 280,583.10 = 124,069.80 : x
  2. Step 2: Convert to fraction form
    187,055.40/280,583.10 = 124,069.80/x
  3. Step 3: Cross multiply
    187,055.40x = 280,583.10 × 124,069.80
  4. Step 4: Simplify right side
    187,055.40x = 34,811,889,100.38
  5. Step 5: Solve for x
    x = 34,811,889,100.38/187,055.40
  6. Step 6: Final answer
    x = 186,104.70

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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.