Home / 116,474.88-174,803.04-81,184.80

Finding the Fourth Proportional to 116,474.88, 174,803.04 and 81,184.80

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Solution

The fourth proportional to 116,474.88, 174,803.04 and 81,184.80 is: 121,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,474.88 : 174,803.04 = 81,184.80 : x
  2. Step 2: Convert to fraction form
    116,474.88/174,803.04 = 81,184.80/x
  3. Step 3: Cross multiply
    116,474.88x = 174,803.04 × 81,184.80
  4. Step 4: Simplify right side
    116,474.88x = 14,191,349,841.79
  5. Step 5: Solve for x
    x = 14,191,349,841.79/116,474.88
  6. Step 6: Final answer
    x = 121,840.43

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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.