Home / 129,756.04-179,063.04-73,167.01

Finding the Fourth Proportional to 129,756.04, 179,063.04 and 73,167.01

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Solution

The fourth proportional to 129,756.04, 179,063.04 and 73,167.01 is: 100,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,756.04 : 179,063.04 = 73,167.01 : x
  2. Step 2: Convert to fraction form
    129,756.04/179,063.04 = 73,167.01/x
  3. Step 3: Cross multiply
    129,756.04x = 179,063.04 × 73,167.01
  4. Step 4: Simplify right side
    129,756.04x = 13,101,507,238.31
  5. Step 5: Solve for x
    x = 13,101,507,238.31/129,756.04
  6. Step 6: Final answer
    x = 100,970.31

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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.