Home / 129,674.76-179,002.71-111,453.36

Finding the Fourth Proportional to 129,674.76, 179,002.71 and 111,453.36

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Solution

The fourth proportional to 129,674.76, 179,002.71 and 111,453.36 is: 153,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,674.76 : 179,002.71 = 111,453.36 : x
  2. Step 2: Convert to fraction form
    129,674.76/179,002.71 = 111,453.36/x
  3. Step 3: Cross multiply
    129,674.76x = 179,002.71 × 111,453.36
  4. Step 4: Simplify right side
    129,674.76x = 19,950,453,478.61
  5. Step 5: Solve for x
    x = 19,950,453,478.61/129,674.76
  6. Step 6: Final answer
    x = 153,849.94

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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.