Home / 187,965.48-281,947.98-45,810.60

Finding the Fourth Proportional to 187,965.48, 281,947.98 and 45,810.60

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Solution

The fourth proportional to 187,965.48, 281,947.98 and 45,810.60 is: 68,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,965.48 : 281,947.98 = 45,810.60 : x
  2. Step 2: Convert to fraction form
    187,965.48/281,947.98 = 45,810.60/x
  3. Step 3: Cross multiply
    187,965.48x = 281,947.98 × 45,810.60
  4. Step 4: Simplify right side
    187,965.48x = 12,916,206,132.59
  5. Step 5: Solve for x
    x = 12,916,206,132.59/187,965.48
  6. Step 6: Final answer
    x = 68,715.84

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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.