Home / 129,755.04-179,061.66-73,166.01

Finding the Fourth Proportional to 129,755.04, 179,061.66 and 73,166.01

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Solution

The fourth proportional to 129,755.04, 179,061.66 and 73,166.01 is: 100,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,755.04 : 179,061.66 = 73,166.01 : x
  2. Step 2: Convert to fraction form
    129,755.04/179,061.66 = 73,166.01/x
  3. Step 3: Cross multiply
    129,755.04x = 179,061.66 × 73,166.01
  4. Step 4: Simplify right side
    129,755.04x = 13,101,227,206.18
  5. Step 5: Solve for x
    x = 13,101,227,206.18/129,755.04
  6. Step 6: Final answer
    x = 100,968.93

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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.