Home / 187,941.98-282,153.55-161,457.41

Finding the Fourth Proportional to 187,941.98, 282,153.55 and 161,457.41

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Solution

The fourth proportional to 187,941.98, 282,153.55 and 161,457.41 is: 242,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,941.98 : 282,153.55 = 161,457.41 : x
  2. Step 2: Convert to fraction form
    187,941.98/282,153.55 = 161,457.41/x
  3. Step 3: Cross multiply
    187,941.98x = 282,153.55 × 161,457.41
  4. Step 4: Simplify right side
    187,941.98x = 45,555,780,598.02
  5. Step 5: Solve for x
    x = 45,555,780,598.02/187,941.98
  6. Step 6: Final answer
    x = 242,392.79

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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.