Home / 129,846.04-179,173-73,246.48

Finding the Fourth Proportional to 129,846.04, 179,173 and 73,246.48

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Solution

The fourth proportional to 129,846.04, 179,173 and 73,246.48 is: 101,071.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,846.04 : 179,173 = 73,246.48 : x
  2. Step 2: Convert to fraction form
    129,846.04/179,173 = 73,246.48/x
  3. Step 3: Cross multiply
    129,846.04x = 179,173 × 73,246.48
  4. Step 4: Simplify right side
    129,846.04x = 13,123,791,561.04
  5. Step 5: Solve for x
    x = 13,123,791,561.04/129,846.04
  6. Step 6: Final answer
    x = 101,071.94

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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.