Home / 116,569.88-174,946.30-81,279.80

Finding the Fourth Proportional to 116,569.88, 174,946.30 and 81,279.80

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Solution

The fourth proportional to 116,569.88, 174,946.30 and 81,279.80 is: 121,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,569.88 : 174,946.30 = 81,279.80 : x
  2. Step 2: Convert to fraction form
    116,569.88/174,946.30 = 81,279.80/x
  3. Step 3: Cross multiply
    116,569.88x = 174,946.30 × 81,279.80
  4. Step 4: Simplify right side
    116,569.88x = 14,219,600,274.74
  5. Step 5: Solve for x
    x = 14,219,600,274.74/116,569.88
  6. Step 6: Final answer
    x = 121,983.49

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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.