Home / 129,795.09-179,117.37-73,206.47

Finding the Fourth Proportional to 129,795.09, 179,117.37 and 73,206.47

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Solution

The fourth proportional to 129,795.09, 179,117.37 and 73,206.47 is: 101,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,795.09 : 179,117.37 = 73,206.47 : x
  2. Step 2: Convert to fraction form
    129,795.09/179,117.37 = 73,206.47/x
  3. Step 3: Cross multiply
    129,795.09x = 179,117.37 × 73,206.47
  4. Step 4: Simplify right side
    129,795.09x = 13,112,549,477.80
  5. Step 5: Solve for x
    x = 13,112,549,477.80/129,795.09
  6. Step 6: Final answer
    x = 101,025.00

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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.