Home / 129,914.04-179,453.51-104,516.07

Finding the Fourth Proportional to 129,914.04, 179,453.51 and 104,516.07

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Solution

The fourth proportional to 129,914.04, 179,453.51 and 104,516.07 is: 144,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.04 : 179,453.51 = 104,516.07 : x
  2. Step 2: Convert to fraction form
    129,914.04/179,453.51 = 104,516.07/x
  3. Step 3: Cross multiply
    129,914.04x = 179,453.51 × 104,516.07
  4. Step 4: Simplify right side
    129,914.04x = 18,755,775,818.74
  5. Step 5: Solve for x
    x = 18,755,775,818.74/129,914.04
  6. Step 6: Final answer
    x = 144,370.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.