Home / 187,718.36-281,574.52-45,564.80

Finding the Fourth Proportional to 187,718.36, 281,574.52 and 45,564.80

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Solution

The fourth proportional to 187,718.36, 281,574.52 and 45,564.80 is: 68,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,718.36 : 281,574.52 = 45,564.80 : x
  2. Step 2: Convert to fraction form
    187,718.36/281,574.52 = 45,564.80/x
  3. Step 3: Cross multiply
    187,718.36x = 281,574.52 × 45,564.80
  4. Step 4: Simplify right side
    187,718.36x = 12,829,885,167.11
  5. Step 5: Solve for x
    x = 12,829,885,167.11/187,718.36
  6. Step 6: Final answer
    x = 68,346.46

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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.