Home / 129,795.41-179,048.26-89,529.10

Finding the Fourth Proportional to 129,795.41, 179,048.26 and 89,529.10

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Solution

The fourth proportional to 129,795.41, 179,048.26 and 89,529.10 is: 123,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,795.41 : 179,048.26 = 89,529.10 : x
  2. Step 2: Convert to fraction form
    129,795.41/179,048.26 = 89,529.10/x
  3. Step 3: Cross multiply
    129,795.41x = 179,048.26 × 89,529.10
  4. Step 4: Simplify right side
    129,795.41x = 16,030,029,574.37
  5. Step 5: Solve for x
    x = 16,030,029,574.37/129,795.41
  6. Step 6: Final answer
    x = 123,502.28

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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.