Home / 129,783.57-179,101.23-73,194.94

Finding the Fourth Proportional to 129,783.57, 179,101.23 and 73,194.94

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Solution

The fourth proportional to 129,783.57, 179,101.23 and 73,194.94 is: 101,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,783.57 : 179,101.23 = 73,194.94 : x
  2. Step 2: Convert to fraction form
    129,783.57/179,101.23 = 73,194.94/x
  3. Step 3: Cross multiply
    129,783.57x = 179,101.23 × 73,194.94
  4. Step 4: Simplify right side
    129,783.57x = 13,109,303,733.17
  5. Step 5: Solve for x
    x = 13,109,303,733.17/129,783.57
  6. Step 6: Final answer
    x = 101,008.97

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1.5x scale

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.